Wikipedia

List of state highways in Louisiana (600–649)

(Redirected fromLouisiana Highway 605)

See also:List of state highways in Louisiana

The following is a list ofstate highwaysin theU.S. stateofLouisianadesignated in the 600–649 range.

Louisiana Highway 600

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Louisiana Highway 600
LocationParhams–Lismore
Length4.74 mi[1][2](7.63 km)

Louisiana Highway 600(LA 600) runs 4.74 miles (7.63 km) fromParhamstoLismore.

Louisiana Highway 601

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Louisiana Highway 601
LocationRichmond–Tallulah
Length1.713 mi[3](2.757 km)
Existed1976–present

Louisiana Highway 601 (LA 601)runs 1.713 miles (2.8 km) runs in a north–south direction from Eakers Street and Crothers Drive nearI-20andLA 602-1inRichmond,along Crothers Drive, to and Johnson Street toUS 65(South Cedar Street/South Chestnut Street) in downtownTallulah.LA 601 also serves as the eastern terminus forLA 3202(Felicia Avenue).[3][4]

LA 601 first appeared on the official state highway map in 1976, running between US 65 in Tallulah, to LA 602 in Richmond, south of present day I-20 (which was under construction at the time).[5]In 1977, LA 601 was truncated to its current terminus after I-20 was completed, cutting off the southern section of the route.[6]This former section of LA 601 is now known as Eaker Road and is locally maintained.[3]

Major intersections

The entire highway is inMadison Parish.

Locationmi[3]kmDestinationsNotes
Richmond0.0000.000Crothers Drive toLA 602-1/I-20Southern terminus; road continues east parallel to I-20 as Crothers Drive
0.5910.951
LA 3202west (Felicia Avenue) –Tallulah		Eastern terminus of LA 3202
Tallulah1.645–
1.173		2.647–
1.888
US 65north (South Cedar Street) –Lake Providence,Pine Bluff

US 65south (South Chestnut Street) –Ferriday		Northern terminus; US 65 is a pair of one-way streets
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 602

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Louisiana Highway 602
LocationRichmond–Mound
Length13.768 mi[7](22.157 km)
Existed1960–2013

Louisiana Highway 602(LA 602) presently consists of two segments of state highways (LA 601-1andLA 602-2) inMadison Parishthat connectI-20andUS 80.[8]The two segments of this road previously connected on a road (known only as LA 602 at the time) south of I-20 paralleling Brushy Bayou and Walnut Bayou.[9]LA 602 first appeared on state highway maps in 1960, utilizing this route.[10]LA 602 ran 13.768 miles (22.2 km) in total length.[7]The middle segment between I-20 exits 173 and 182, which comprised most of the route, was deleted from the state highway system around 2013. The remaining sections between I-20 and US 80 became LA 602-1 and LA 602-2 respectively, effectively retiring the non-hyphenated LA 602 designation.[9][8][11]

Louisiana Highway 602-1

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Louisiana Highway 602-1
LocationRichmond
Length1.913 mi[3](3.079 km)
Existed2013–present

Louisiana Highway 602-1(LA 602-1) (1.913 miles or 3.079 kilometres) runs nearRichmondbetween US 80 and I-20's exit 173. It is a two-lane roadway that runs to the east of Richmond mostly paralleling a canal named Brushy Bayou.[1][12]

Major intersections

The entire highway is inMadison Parish.

Locationmi[3]kmDestinationsNotes
​0.000.00

Former LA Highway 602 to LA 602-2 north –Mound		Southern terminus; road continues as Former LA Highway 602; former LA 602 east
Richmond0.009–
0.478		0.014–
0.769		I-20–Monroe,DeltaI-20 exit 173
0.5620.904

Crothers Drive toLA 601north
Lums1.9133.079US 80–Tallulah,VicksburgNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 602-2

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Louisiana Highway 602-2
LocationMound
Length0.935 mi[3](1,505 m)
Existed2013–present

Louisiana Highway 602-2(LA 602-2) (0.935 miles or 1.505 kilometres) runs insideMoundbetween I-20's exit 182 and US 82.[1][13]

Major intersections

The entire highway is inMound,Madison Parish.

mi[3]kmDestinationsNotes
0.0000.000
Former LA Highway 602 north to LA 602-1 –Richmond		Southern terminus; road continues as Former LA Highway 602; former LA 602 west
0.060–
0.485		0.097–
0.781		I-20–Monroe,VicksburgI-20 exit 182
0.9351.505US 80–Tallulah,DeltaNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 603

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Louisiana Highway 603
LocationQuimby–Richmond
Length19.34 mi[1][14](31.12 km)

Louisiana Highway 603(LA 603) runs 19.34 miles (31.12 km) fromQuimbytoRichmond.

Louisiana Highway 604

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Louisiana Highway 604
LocationSt. Joseph–Lake Bruin
Length9.22 mi[1][15](14.84 km)

Louisiana Highway 604(LA 604) runs 9.22 miles (14.84 km) fromSt. Josephto Lake Bruin.

Louisiana Highway 605

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Louisiana Highway 605
LocationSt. Joseph–Somerset
Length19.63 mi[1](31.59 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 605(LA 605) runs 19.63 miles (31.59 km) in a north–south direction from the junction ofLA 128andLA 897-1inSt. JosephtoUS 65north ofNewellton,Tensas Parish.[16]

LA 605 heads north from St. Joseph following the shoreline of Lake Bruin, anoxbow lakeof theMississippi River.The highway intersectsLA 607andLA 604as it breaks away from the lake to the northeast. It then intersectsLA 608and turns northwest, continuing the route of that highway along Lake St. Joseph, a second oxbow lake. Passing through the town ofNewellton,LA 605 intersectsLA 4andLA 887.Following a turn to the north atBalmoral,the highway ends at an intersection withUS 65.[16]

The entire highway is inTensas Parish.

Locationmi[16]kmDestinationsNotes
St. Joseph0.00.0

LA 128west /LA 897-1south (Plank Road)		Southern terminus of LA 605; eastern terminus of LA 128; northern terminus of LA 897-1
​1.42.3
LA 604north		Southern terminus of LA 604
Lake Bruin7.011.3

LA 607west toUS 65		Eastern terminus of LA 607
​7.712.4
LA 604south		Northern terminus of LA 604
​10.516.9
LA 608north		Southern terminus of LA 608
Newellton13.121.1
LA 4west (Verona Street)		Eastern terminus of LA 4
13.421.6
LA 887east		Western terminus of LA 887
Balmoral16.326.2
LA 888north		Southern terminus of LA 888
16.526.6
LA 608south		Northern terminus of LA 608
​19.831.9US 65Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 606

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Louisiana Highway 606
LocationLake Bruin
Length10.32 mi[1][17](16.61 km)

Louisiana Highway 606(LA 606) runs 10.32 miles (16.61 km) at Lake Bruin.

Louisiana Highway 607

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Louisiana Highway 607
LocationLake Bruin
Length0.19 mi[1](310 m)
Existed1955–present
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Louisiana Highway 607(LA 607) runs 0.19 miles (0.31 km) in an east–west direction fromUS 65toLA 605north ofLake Bruin,Tensas Parish.[18]

The route serves as a short connector, providing access to Lake Bruin from US 65. LA 607 is located roughly midway betweenSt. JosephandNewellton.It is an undivided two-lane highway for its entire length.[18][19][20]

The entire route is inTensas Parish.

mi[1]kmDestinationsNotes
0.000.00US 65–Ferriday,TallulahWestern terminus
0.190.31LA 605–Lake BruinEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 608

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Louisiana Highway 608
LocationLake St. Joseph–Balmoral
Length21.77 mi[1][21](35.04 km)

Louisiana Highway 608(LA 608) runs 21.77 miles (35.04 km) fromLake St. JosephtoBalmoral.

Louisiana Highway 609

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Louisiana Highway 609
LocationDunn
Length3.76 mi[1][22](6.05 km)

Louisiana Highway 609(LA 609) runs 3.76 miles (6.05 km) inDunn.

Louisiana Highway 610

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Louisiana Highway 610
LocationSwampers
Length9.79 mi[1][23](15.76 km)

Louisiana Highway 610(LA 610) runs 9.79 miles (15.76 km) inSwampers.

Louisiana Highway 611

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Louisiana Highway 611
LocationJefferson–Metairie–New Orleans
Length6.40 mi[1](10.30 km)
Main article:Louisiana Highway 611

Louisiana Highway 611(LA 611) is a collection of three current and ten former state-maintained streets inJefferson,Metairie,andNew Orleans.All thirteen routes were established with the1955 Louisiana Highway renumbering.

Louisiana Highway 612

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Louisiana Highway 612
LocationBossier City–Sligo
Length3.60 mi[1][24](5.79 km)

Louisiana Highway 612(LA 612) runs 3.60 miles (5.79 km) fromBossier CitytoSligo.

Louisiana Highway 613

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Louisiana Highway 613
LocationMetairie–New Orleans
Length5.2 mi[1](8.4 km)
Existed1955–2010
Main article:Louisiana Highway 613

Louisiana Highway 613(LA 613) was a collection of four state-maintained streets inMetairieandNew Orleansestablished with the1955 Louisiana Highway renumbering.All four routes have since been deleted from the state highway system.

Louisiana Highway 614

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Louisiana Highway 614
LocationHaughton
Length5.71 mi[1][25](9.19 km)

Louisiana Highway 614(LA 614) runs 5.71 miles (9.19 km) inHaughton.

Louisiana Highway 615

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Louisiana Highway 615
LocationShongaloo–Haynesville
Length10.34 mi[1](16.64 km)
Existed1955–present

Louisiana Highway 615(LA 615) runs 10.34 miles (16.64 km) in an east–west direction from a junction withLA 157andLA 159north ofShongaloo,Webster ParishtoUS 79inHaynesville,Claiborne Parish.[26]

Louisiana Highway 616

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Louisiana Highway 616
LocationClaiborne–West Monroe
Length6.20 mi[1][27](9.98 km)

Louisiana Highway 616(LA 616) runs 6.20 miles (9.98 km) fromClaibornetoWest Monroe.

Louisiana Highway 617

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Louisiana Highway 617
LocationWest Monroe
Length3.33 mi[1][28](5.36 km)

Louisiana Highway 617(LA 617) runs 3.33 miles (5.36 km) inWest Monroe.

Louisiana Highway 618

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Louisiana Highway 618
LocationWinnsboro
Length5.92 mi[1][29](9.53 km)

Louisiana Highway 618(LA 618) runs 5.92 miles (9.53 km) inWinnsboro.

Louisiana Highway 619

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Louisiana Highway 619
LocationShell Beach
Length2.2 mi (3.5 km)
Existed1955–1960
Main article:Louisiana Highway 619

Louisiana Highway 619(LA 619) was astate highwaythat servedSt. Bernard Parish.It spanned 2.2 miles (3.5 km) in a west to east direction[30]along the shore ofLake Borgnenear what is now known asOld Shell Beach.

Louisiana Highway 620

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Louisiana Highway 620
LocationWest Baton Rouge Parish
Length7.06 mi[1](11.36 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 620(LA 620) runs 7.06 miles (11.36 km) in an east–west direction fromLA 413inErwinvilletoLA 415northwest ofPort Allen,West Baton Rouge Parish.

LA 620 heads due east from LA 413, just north of the latter's intersection with the concurrentUS 190andLA 1in Erwinville. LA 620 intersects three minor state routes (LA 3091,LA 984,andLA 983) before terminating atLA 415(River Road) in an area known asSmithfield.LA 620 is an undivided two-lane highway for its entire length.

Before the1955 Louisiana Highway renumbering,LA 620 was part ofState Route 30.

The entire highway is inWest Baton Rouge Parish.

LocationmikmDestinationsNotes
Erwinville0.00.0LA 413(Poydras Bayou Road)Western terminus
​1.01.6LA 3091(Flynn Road)Southern terminus of LA 3091
​2.54.0LA 984(Rougon Road)Southern terminus of LA 984
​4.97.9LA 983(Bueche Road)
Smithfield7.011.3LA 415(River Road)Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 621

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Louisiana Highway 621
LocationPrairieville–Brignac
Length6.81 mi[1](10.96 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 621(LA 621) runs 6.81 miles (10.96 km) in an east–west direction fromLA 73inPrairievilletoLA 431atBrignac,Ascension Parish.[31]

The route heads east from LA 73 (Old Jefferson Highway) adjacent toI-10Exit 173. It crosses bothUS 61(Airline Highway) andLA 44(North Burnside Avenue) north ofGonzalesbefore ending at LA 431 in an area known as Brignac. LA 621 is an undivided two-lane highway for its entire length.[31][32][33]

The entire highway is inAscension Parish.

Locationmi[1]kmDestinationsNotes
Prairieville0.00.0
LA 73(Old Jefferson Highway) toI-10–Baton Rouge,New Orleans		Western terminus
Duplessis2.64.2US 61(Airline Highway) –Baton Rouge,New Orleans
​3.86.1LA 44(North Burnside Avenue)
Brignac6.810.9LA 431(Brittany–Port Vincent Highway)Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 622

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Louisiana Highway 622
LocationMangham
Length4.83 mi[1][34](7.77 km)

Louisiana Highway 622(LA 622) runs 4.83 miles (7.77 km) inMangham.

Louisiana Highway 623

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Louisiana Highway 623
LocationBall
Length4.94 mi[1][35](7.95 km)

Louisiana Highway 623(LA 623) runs 4.94 miles (7.95 km) inBall.

Louisiana Highway 624

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Louisiana Highway 624
LocationYscloskey–Hopedale
Length5.80 mi[1](9.33 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 624(LA 624) runs 5.80 miles (9.33 km) in an east–west direction fromLA 46inYscloskeyto a point near theMississippi River Gulf Outlet Canaleast ofHopedale,St. Bernard Parish.[36]

The route heads southeast from Yscloskey, running along the north bank ofBayou La Loutre.After passing through Hopedale, LA 624 curves to the northeast with the bayou and proceeds 1.5 miles (2.4 km) to the end of state maintenance. A local road continues a short distance to a dead end at the Mississippi River Gulf Outlet Canal. LA 624 is an undivided two-lane highway for its entire length.[36][37][38]

The entire highway is inSt. Bernard Parish.

Locationmi[1]kmDestinationsNotes
Yscloskey0.00.0LA 46(Hopedale Highway, Florissant Highway) –Shell Beach,New OrleansWestern terminus
​5.89.3End state maintenance southwest ofMississippi River Gulf Outlet CanalEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 625

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Louisiana Highway 625
LocationYscloskey
Length0.25 mi[1](400 m)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 625(LA 625) runs 0.25 miles (0.40 km) in an east–west direction along Maple Street inYscloskey,St. Bernard Parish.[39]

The route begins atLA 46(Florissant Highway), which runs alongBayou La Loutre.It then curves to the southeast to a dead end atBayou Yscloskey.It is an undivided, two-lane highway for its entire length.[37][38][39]

In thepre-1955 state highway system,LA 625 was designated asState Route C-2073.[40]LA 625 was created in the1955 Louisiana Highway renumbering,[41]its western end following a slightly different connection to LA 46.[37][42]

The entire highway is inYscloskey,St. Bernard Parish.

mi[1]kmDestinationsNotes
0.000.00LA 46(Florissant Highway)Western terminus
0.250.40Dead end atBayou YscloskeyEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 626

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Louisiana Highway 626
LocationSt. Rose–Destrehan
Length2.56 mi[1](4.12 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 626(LA 626) runs 2.56 miles (4.12 km) in a north–south direction along St. Rose Avenue fromLA 48inSt. RosetoUS 61at the northeast corner ofDestrehan,St. Charles Parish.[43]

The route connects the community of St. Rose with US 61 (Airline Highway) west ofNew Orleans.Along its short route, LA 626 crosses both theCanadian National Railway(CN) andKansas City Southern Railway(KCS) tracks at grade. It also crosses under but does not intersectI-310.LA 626 is an undivided two-lane highway for its entire length.[38][43][44]

The entire highway is inSt. Charles Parish.

Locationmi[1]kmDestinationsNotes
St. Rose0.00.0LA 48(River Road) –Destrehan,Mississippi River Bridge,LulingSouthern terminus
Destrehan2.64.2US 61(Airline Highway) –New Orleans,Baton RougeNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 627

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Louisiana Highway 627
LocationNorco
Length1.14 mi[1](1.83 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 627(LA 627) runs 1.14 miles (1.83 km) in a north–south direction along Prospect Avenue inNorco,St. Charles Parish.[45]

The route connectsUS 61(Airline Highway) withLA 48(River Road) in an area known asGood Hope.It travels through theValeroandShell–Motivaoil refineries, crossing both theCanadian National Railway(CN) andKansas City Southern Railway(KCS) tracks at grade. LA 627 is an undivided two-lane highway for its entire length.[38][44][45]

In thepre-1955 state highway system,LA 627 was designated asState Route 682.[46]LA 627 was created in the1955 Louisiana Highway renumbering,[41]connecting to LA 48 at a slightly different location. In the early 2000s, the southern portion of LA 627 was re-routed from Prospect Avenue onto a parallel road formerly known as Garrison Street.[44][47]The original route is now signed as "Old Prospect."[45]

The entire highway is inNorco,St. Charles Parish.

mi[1]kmDestinationsNotes
0.00.0LA 48(River Road) –Norco,DestrehanSouthern terminus; location also known asGood Hope
1.11.8US 61(Airline Highway) –New Orleans,Baton RougeNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 628

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Louisiana Highway 628
LocationLaPlace–Montz
Length8.04 mi[1](12.94 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 628(LA 628) runs 8.04 miles (12.94 km) in a general east–west direction fromLA 44inLaPlace,St. John the Baptist ParishtoUS 61inMontz,St. Charles Parish.[48]

The route heads southeast along East 5th Street from LA 44 (Main Street) in LaPlace. It approaches and begins to run alongside the east bank levee of theMississippi River,where it becomes known as River Road. LA 628 intersectsLA 636-1(McReine Road) andLA 3217,two short connectors to the parallel US 61.[48][49][50]The highway then crosses from St. John the Baptist Parish into the St. Charles Parish community of Montz. Reaching the Upper Guide Levee of theBonnet Carré Spillway,LA 628 turns away from the river and heads northeast on C.C. Road. It parallels the spillway levee to its terminus at US 61 (Airline Highway). LA 628 is an undivided two-lane highway for its entire length.[38][44][48]


ParishLocationmi[1]kmDestinationsNotes
St. John the BaptistLaPlace0.00.0LA 44(West 5th Street, Main Street)Western terminus
0.10.16
LA 636-3west (Cardinal Street)		Eastern terminus of LA 636-3
1.11.8
LA 636-1north (McReine Road)		Southern terminus of LA 636-1
2.03.2
LA 3217north		Southern terminus of LA 3217
St. CharlesMontz8.012.9US 61(Airline Highway) –New Orleans,Baton RougeEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 629

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Louisiana Highway 629
LocationKillona
Length0.67 mi[51](1,080 m)
Existed1955–1960s
KML file(edit•help)
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Louisiana Highway 629(LA 629) ran 0.67 miles (1.08 km) in a north–south direction along Killona Drive inKillona,St. Charles Parish.[51]

The route headed southwest fromLA 18(River Road), which runs along theMississippi River,to a crossing of theTexas & Pacific Railroad(now theUnion Pacific Railroad) tracks on Killona Drive. It was an undivided, two-lane highway for its entire length.[51]

In thepre-1955 state highway system,LA 629 was designated asState Route 659.[46]LA 629 was created with the1955 Louisiana Highway renumbering[41]and deleted sometime in the 1960s. Today a similar route,LA 3141(Mary Plantation Road), parallels and extends beyond Killona Drive, connecting LA 18 withLA 3127,a bypass of LA 18 that was constructed in the 1970s.[44]

The entire highway was inKillona,St. Charles Parish.

mi[51]kmDestinationsNotes
0.000.00Begin state maintenance atTexas & Pacific RailroadcrossingSouthern terminus
0.671.08LA 18(River Road) –Donaldsonville,LulingNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 630

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Louisiana Highway 630
LocationHahnville
Length0.94 mi[52](1,510 m)
Existed1955–c. 1957
KML file(edit•help)
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Louisiana Highway 630(LA 630) ran 0.94 miles (1.51 km) in a west–east direction along Courthouse Lane inHahnville,St. Charles Parish.[52]

The route headed southwest fromLA 18(River Road), which runs along theMississippi River,made a zigzag around the St. Charles Parish courthouse, and continued to theTexas & Pacific Railroad(now theUnion Pacific Railroad) tracks. It was an undivided, two-lane highway for its entire length.[52]

In thepre-1955 state highway system,LA 630 was designated asState Route 660.[46]LA 630 was created with the1955 Louisiana Highway renumbering[41]and deleted by 1958.[53]Today a similar route,LA 3160(Home Place), parallels and extends beyond Courthouse Lane, connecting LA 18 withLA 3127,a bypass of LA 18 that was constructed in the 1970s.[44]

The entire highway was inHahnville,St. Charles Parish.

mi[52]kmDestinationsNotes
0.000.00Begin state maintenance atTexas & Pacific RailroadtracksWestern terminus
0.941.51LA 18(River Road) –Donaldsonville,LulingEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 631

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Louisiana Highway 631
LocationDes Allemands–Boutte
Length9.0 mi (14.5 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 631
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Louisiana Highway 631(LA 631) runs 9.0 miles (14.5 km) in a southwest to northeast direction fromUS 90inDes AllemandstoLA 52inBoutte.

LA 631 follows the original route of US 90 before the parallel four-lane alignment was constructed. It begins in extreme easternLafourche Parishand crossesBayou Des Allemandsin the community of Des Allemands. The route then heads northeast throughSt. Charles Parishthrough the community ofParadis.Just before reaching its terminus at LA 52 in Boutte, LA 631 crosses underneathI-310.LA 631 is an undivided two lane highway for its entire length.

The route has a spur that travels 0.5 miles (0.80 km) to a junction with US 90 in Des Allemands, providing access from the main highway to the small business district.


ParishLocationmikmDestinationsNotes
LafourcheDes Allemands0.00.0US 90–New Orleans,Morgan CityWestern terminus
Lafourche–St. Charles
parish line		0.50.80Bridge overBayou Des Allemands
St. Charles0.81.3
LA 631 Spur(Old US 90)		Western terminus of LA 631 Spur
1.21.9LA 632(Levee Road)Western terminus of LA 632
Paradis3.45.5LA 635Western terminus of LA 635
5.38.5LA 306(Bayou Gauche Road)Northern terminus of LA 306
Boutte9.014.5LA 52(Paul Maillard Road)Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 632

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Louisiana Highway 632
LocationDes Allemands–Bayou Gauche
Length5.63 mi[1](9.06 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 632(LA 632) runs 5.63 miles (9.06 km) in a general east–west direction fromLA 631inDes Allemandsto a dead end at the Paradis Canal inBayou Gauche,St. Charles Parish.[54]

The route heads southeast along Levee Road and crosses bothLA 631 Spur(Old US 90) and currentUS 90in Des Allemands. Now known as WPA Road, LA 632 turns due east into an area known as Bayou Gauche and intersectsLA 306(Bayou Gauche Road). LA 632 turns north and runs concurrently with LA 306 for a short distance before turning east onto Grand Bayou Road, which it follows to a dead end at the Paradis Canal. LA 632 is an undivided two-lane highway for its entire length.[38][44][54]

The entire highway is inSt. Charles Parish.

Locationmi[1]kmDestinationsNotes
Des Allemands0.00.0LA 631(Old Spanish Trail)Western terminus
0.20.32
LA 631 Spur(Old US 90)
0.30.48US 90–New Orleans,Morgan City
Bayou Gauche3.25.1
LA 306south (Bayou Gauche Road)		West end of LA 306 concurrency
3.86.1
LA 306north (Bayou Gauche Road)		East end of LA 306 concurrency
5.69.0Dead end at Paradis CanalEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 633

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Louisiana Highway 633
LocationBoutte
Length2.78 mi[1](4.47 km)
Existed1955–present
KML file(edit•help)
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Louisiana Highway 633(LA 633) runs 2.78 miles (4.47 km) in a north–south direction along Magnolia Ridge Road from a local road atGrand Bayouto a junction withUS 90andLA 52inBoutte,St. Charles Parish.It is an undivided two-lane highway for its entire length.[38][44][55]

The entire highway is inSt. Charles Parish.

Locationmi[1]kmDestinationsNotes
​0.00.0Local road atGrand BayouSouthern terminus
Boutte2.84.5US 90–New Orleans,Houma
LA 52(Paul Maillard Road) –Luling		Northern terminus; southern terminus of LA 52
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 634

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Louisiana Highway 634
LocationDes Allemands
Length0.25 mi[56](400 m)
Existed1955–c. 1960s
KML file(edit•help)
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KML is not from Wikidata

Louisiana Highway 634(LA 634) ran 0.25 miles (0.40 km) in a west–east direction along J.B. Green Road inDes Allemands,St. Charles Parish.[56]

The route connectedUS 90and its former alignment,LA 631(Old Spanish Trail). It was an undivided, two-lane highway for its entire length.[56]

In thepre-1955 state highway system,LA 634 was designated asState Route C-1522.[46]LA 634 was created with the1955 Louisiana Highway renumbering[41]and deleted sometime in the 1960s. However, a similar connector road to the north,LA 635(formerlyState Route C-1520), remains.[44][53]

The entire highway was inDes Allemands,St. Charles Parish.

mi[56]kmDestinationsNotes
0.000.00LA 631(Old Spanish Trail) –Des Allemands,ParadisWestern terminus
0.250.40US 90–New Orleans,HoumaEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 635

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Louisiana Highway 635
LocationDes Allemands
Length0.26 mi[1](420 m)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 635
KML is not from Wikidata

Louisiana Highway 635(LA 635) runs 0.26 miles (0.42 km) in an east–west direction north ofDes Allemands,St. Charles Parish.[57]

The route connectsUS 90and its former alignment,LA 631(Old Spanish Trail) between Des Allemands andParadis.It is an undivided two-lane highway for its entire length.[38][44][57]

In thepre-1955 state highway system,LA 635 was designated asState Route C-1520.[46]LA 635 was created in the1955 Louisiana Highway renumbering[41]following a different connector road immediately to the north that no longer exists.[44][53]A similar connector road to the south,LA 634(formerlyState Route C-1522), was also part of the state highway system until its deletion in the 1960s.[44][53]

The entire highway is inDes Allemands,St. Charles Parish.

mi[1]kmDestinationsNotes
0.000.00LA 631(Old Spanish Trail)Western terminus
0.260.42US 90–New Orleans,HoumaEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 636

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Louisiana Highway 636
LocationLaPlace
Length2.40 mi[1](3.86 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 636
KML is not from Wikidata

Louisiana Highway 636(LA 636) is the designation for a pair ofstate highwayscomposing ofLA 636-1andLA 636-3that serveLaplace,St. John the Baptist Parish,Louisiana.LA 636-1 is 0.74 miles (1.19 km) long and runs fromLA 628(East 5th Street) east toUS 61(Airline Highway).[58]LA 636-3 begins atLA 44adjacent to aMississippi Riverleveeand mostly runs east along this levee to LA 628 and Cardinal Street. This segment is 1.66 miles (2.67 km) long.[59]

Louisiana Highway 637

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Louisiana Highway 637
LocationReserve
Length1.48 mi[1](2.38 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 637
KML is not from Wikidata

Louisiana Highway 637(LA 637) runs 1.48 miles (2.38 km) in a north–south direction along West 10th Street fromLA 44(River Road) toUS 61(Airline Highway) inReserve,St. John the Baptist Parish.It is an undivided two-lane highway for its entire length.[49][50][60]

The entire highway is inReserve,St. John the Baptist Parish.

mi[1]kmDestinationsNotes
0.00.0LA 44(River Road) –LaPlace,GaryvilleSouthern terminus
1.52.4US 61(Airline Highway) –New Orleans,Baton RougeNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 639

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Louisiana Highway 639
LocationSt. John the Baptist Parish
Length0.40 mi[1](640 m)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 639
KML is not from Wikidata

Louisiana Highway 639(LA 639) runs 0.40 miles (0.64 km) in a north–south direction off ofLA 18west ofEdgard,St. John the Baptist Parish.

LA 639 is a short and lightly traveled local road that begins just north of theUnion Pacific Railroadtrack and continues northward to LA 18 (River Road). Its only major feature is the old Johnson (later renamed Carroll) Plantation, in which a few slave cabins and an overseer's house remain. The route has been unsigned in recent years.

The entire highway is inSt. John the Baptist Parish.

LocationmikmDestinationsNotes
Johnson0.00.0Begin state maintenance north of theUnion Pacific RailroadtracksSouthern terminus
​0.40.64LA 18(River Road)Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 640

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Louisiana Highway 640
LocationEdgard–Reserve
Length2.37 mi[1](3.81 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 640
KML is not from Wikidata

Louisiana Highway 640(LA 640) runs 2.37 miles (3.81 km) in a north–south direction fromLA 3127inEdgardto a concurrency withLA 18(River Road). Until 2013, it included aMississippi Riverferry crossing to the junction ofLA 44andLA 53inReserve,St. John the Baptist Parish.

LA 640 heads north from LA 3127 near West St. John High School. It intersectsLA 18(River Road) near the St. John the Baptist Parish Courthouse, and had run 0.3 mi west along LA 18 to a ferry road. Until 2013, it crossed the river via theEdgard-Reserve Ferry.LA 640 had ended at the east bank river road (LA 44) at an intersection with LA 53. It is an undivided two-lane highway for its entire length.

The entire highway is inSt. John the Baptist Parish.

LocationmikmDestinationsNotes
Edgard0.00.0LA 3127Southern terminus
2.13.4
LA 18east (River Road)		South end of LA 18 concurrency
2.23.5
LA 18west (River Road)		North end of LA 18 concurrency
Mississippi RiverEdgard-Reserve Ferry
Reserve2.23.5LA 44(River Road/Jefferson Highway)

LA 53north (Central Avenue)		Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 641

edit
Louisiana Highway 641
LocationLutcher–Gramercy
Length6.9 mi[1](11.1 km)
Main article:Louisiana Highway 641

Louisiana Highway 641(LA 641) is astate highwayinLouisianathat servesSt. James Parish.It travels 6.9 miles (11.1 km) in the shape of a capitalJ,starting northwest, veering northeast, and then turning north, serving the communities ofLutcherandGramercyand providing a connection toInterstate 10(I-10) for those towns.

Louisiana Highway 642

edit
Louisiana Highway 642
LocationRemy–Grand Point
Length3.75 mi[1](6.04 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 642
KML is not from Wikidata

Louisiana Highway 642(LA 642) runs 3.75 miles (6.04 km) in a north–south direction fromLA 44atRemyto the end of state maintenance inGrand Point,St. James Parish.[61]

The route heads north from LA 44 at the east bank levee of theMississippi Riverand crosses theCanadian National Railway(CN) tracks at grade. 1.3 miles (2.1 km) later, LA 642 intersectsLA 3125.It then zigzags to the west and north through an area known as Grand Point. At the end of its route, the highway turns east and becomes a dirt road. State maintenance ends shortly afterward as the road turns again to the north, the local road reaching a boat launch onBlind River.[62]LA 642 is an undivided two-lane highway for its entire length.[33][61][63]

The entire highway is inSt. James Parish.

Locationmi[1]kmDestinationsNotes
Remy0.00.0LA 44–Gramercy,Lutcher,ConventSouthern terminus
​1.42.3LA 3125–Gramercy,Lutcher
Grand Point3.96.3End state maintenance northeast of C. Louque Street, a local roadNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 643

edit
Louisiana Highway 643
LocationSt. James Parish
Length2.854 mi[64](4.593 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 643
KML is not from Wikidata

Louisiana Highway 643(LA 643) runs 2.85 miles (4.59 km) in a general east–west direction fromLA 20to theSt. James–St. John the Baptistparish line in an area known asLower Vacherie.It is an undivided two-lane highway for its entire length.[65][66]

The route once continued further east to a dead end atLac Des Allemands,but this portion was transferred to local control in 2018 as part of La DOTD's Road Transfer program.[64]


ParishLocationmi[64]kmDestinationsNotes
St. JamesLower Vacherie0.000–
0.069		0.000–
0.111		LA 20–Vacherie,ThibodauxWestern terminus
1.5212.448LA 644Eastern terminus of LA 644
St. James–St. John the Baptist
parish line		​2.8544.593End state maintenanceEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 644

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Louisiana Highway 644
LocationLower Vacherie
Length1.76 mi[1](2.83 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 644
KML is not from Wikidata

Louisiana Highway 644(LA 644) runs 1.76 miles (2.83 km) in a general east–west direction fromLA 20toLA 643inLower Vacherie,St. James Parish.[67]

The route heads eastward through Lower Vacherie from LA 20. After 1.3 miles (2.1 km), it turns to the south and ends at an intersection with LA 643, which continues in a general eastward direction to nearbyLac Des Allemands.LA 644 is an undivided two-lane highway for its entire length.[33][63][67]

The entire highway is inLower Vacherie,St. James Parish.

mi[1]kmDestinationsNotes
0.00.0LA 20–Vacherie,ThibodauxWestern terminus
1.82.9LA 643–Lac Des AllemandsEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 645

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Louisiana Highway 645
LocationLabadieville
Length2.25 mi[1][68](3.62 km)

Louisiana Highway 645(LA 645) runs 2.25 miles (3.62 km) inLabadieville.

Louisiana Highway 646

edit
Louisiana Highway 646
LocationLaurel Grove
Length3.3 mi[69](5.3 km)
Existed1955–1975
Main article:Louisiana Highway 646

Louisiana Highway 646(LA 646) was astate highwaythat servedLafourche Parish.It spanned a total of 3.3 miles (5.3 km)[70]along French Plantation Road and Little Choupic Road west ofThibodaux,near the Lafourche-Assumptionparish line.

Louisiana Highway 647

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Louisiana Highway 647
LocationChackbay–Choctaw
Length8.3 mi[71](13.4 km)
Existed1955–1964
KML file(edit•help)
Template:Attached KML/Louisiana Highway 647
KML is not from Wikidata

Louisiana Highway 647(LA 647) ran 8.3 miles (13.4 km) in a northwest to southeast direction fromLA 20inChackbay(shown as Chegby on maps of the time) to Sanchez Road, a local road in an area known asChoctaw.[71]

LA 647 was an undivided two-lane highway for its entire length.

The entire highway was inLafourche Parish.

Locationmi[71]kmDestinationsNotes
Chegby0.00.0LA 20–Thibodaux,VacherieWestern terminus
Choctaw8.313.4End state maintenance east of Sanchez RoadEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 648

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Louisiana Highway 648
LocationThibodaux
Length2.343 mi[72](3.771 km)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 648
KML is not from Wikidata

Louisiana Highway 648(LA 648) runs 2.34 miles (3.77 km) in a southwest to northeast direction fromLA 20south ofThibodauxtoLA 308east of Thibodaux.[73]

LA 648 heads east from LA 20 on Percy Brown Road, crossing fromTerrebonne ParishintoLafourche Parish.It immediately turns to the northeast and briefly passes through the southeast corner of Thibodaux. At the end of its route, LA 648 intersectsLA 1,crosses a bridge overBayou Lafourche,and terminates immediately afterward at LA 308, which follows the opposite bank. LA 648 is an undivided two-lane highway for its entire length.

The entire above route appears on current La DOTD maps as LA 648 and is signed accordingly in the field; however, the departmental GIS and LRS systems still show most of the route under its former designation of LA 648 Spur. Prior to the 2000s, LA 648 turned northwest from Percy Brown Road onto Acadia Road in Thibodaux and headed back to a terminus at LA 20, existing as a short loop off of that highway. The remainder of Percy Brown Road running northeast to LA 308 was designated as LA 648 Spur, now absorbed by the main route.


ParishLocationmi[72]kmDestinationsNotes
Terrebonne​0.0000.000LA 20(West Main Street, West Park Avenue)Western terminus
LafourcheThibodaux0.9631.550North Acadia RoadOfficial mile 0.000 of LA 648 Spur
​2.2603.637LA 1–Thibodaux,Raceland
​2.271–
2.317		3.655–
3.729		Bridge overBayou Lafourche
​2.3433.771LA 308Eastern terminus; official mile 1.380 of LA 648 Spur
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 649

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Louisiana Highway 649
LocationSt. Charles
Length0.07 mi[1](110 m)
Existed1955–present
KML file(edit•help)
Template:Attached KML/Louisiana Highway 649
KML is not from Wikidata

Louisiana Highway 649(LA 649) consists of aswing bridgeacrossBayou LafourcheinSt. Charles,Lafourche Parish.[74]

The route is 0.07 miles (0.11 km) long, connectingLA 1andLA 308which run along the west and east banks of the bayou, respectively. It is an undivided two-lane highway for its entire length.[38][74][75]

In thepre-1955 state highway system,LA 649 was designated asState Route C-2137.[76]LA 649 was created in the1955 Louisiana Highway renumbering[41]and was originally routed across a now-demolished bridge located 0.4 miles (0.64 km) downstream from the current bridge.[75][77]The St. Charles Swing Bridge was constructed in 1996[78]and aligned with the St. Charles Bypass Road that provides a shortcut toLA 24south ofThibodaux.[74]

The entire highway is inSt. Charles,Lafourche Parish.

mi[1]kmDestinationsNotes
0.000.00LA 1–Thibodaux,RacelandSouthern terminus
0.070.11LA 308–Thibodaux,RacelandNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

edit
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