Louisiana State Route 7

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State Route 7

Route information
Maintained by Louisiana DOTD
Section 1
Length110.80 mi (178.32 km)
West endTexas state line near Deweyville
East endEnd state maintenance at Atchafalaya River
Section 2
Length144.50 mi (232.55 km)
West end US 190 in Lottie at Morganza Spillway
East end MS 35 at Mississippi state line
CountryUnited States
Highway system
  • Louisiana State Highway System

Louisiana State Route 7 (LA 7) was one of the 98 original state highways that were established in 1924. It was split into two separate segments, with the western section running in a west to east direction for 110.80 miles (178.32 km), spanning from Deweyville to the Atchafalaya River. The eastern section ran for 144.50 miles (232.55 km) from Lottie to the Mississippi state line, in a west to east direction.

Route description

Old concrete pavement on abandoned stretch of LA 7, between US 71 and Krotz Springs

Legislative Highway Report

Beginning on the Mississippi State Line north of Angie through Bogalusa, Covington, Hammond, Albany, Holden, Livingston, Walker, Denham Springs, Baton Rouge, Port Allen, Rosedale, Livonia, Krotz Springs, Port Barre, Opelousas, Eunice, Elton, Kinder, Fulton, De Quincy, Starks, thence to Texas line at or near Deweyville, Texas. - 1924 Louisiana Legislative Route Description

Texas to Krotz Springs

LA 7 began at the Texas state line near Deweyville, crossing the Sabine River on a swing bridge. It ran in a straight line along a railroad through the western part of the state, meeting LA 42/US 171 in Ragley and LA 24/US 165 in Kinder before entering Opelousas. LA 7 met LA 5 in Opelousas, which carried US 167, before meeting US 71 and ending in downtown Krotz Springs.

Lottie to Mississippi

LA 7 was sliced in half with the opening of the Morganza Spillway in the same way that LA 1 was split in half with the opening of the Bonnet Carre Spillway. LA 7 followed the railroad to Livonia, where it met LA 1 and the two were paired to Port Allen. After crossing the Mississippi River in Port Allen, LA 1 turned to the south in Baton Rouge, while LA 7 picked up US 61 and US 190.

US 61 split from LA 7 at a traffic circle, with LA 7 carrying US 190 through the Florida Parishes. US 190 was split from LA 7 in Hammond, where LA 7 met LA 33/US 51. US 190 was paired with US 51 until the 1960s, when US 190 was shifted onto the old LA 7 alignment. LA 7 then passed through Covington and Bogalusa before ending at the Mississippi state line.

Auxiliary routes of LA 7

  • LA 7-X, covering the multiple special routes of LA 7.

Major intersections

Calcasieu0.00.0 TX 12Western terminus
US 171 / US 190 west / SR 42 – Deridder, Lake Charles
Begin concurrency with US 190
AllenKinder58.293.7 US 171 / SR 24 – Oakdale, TO US 90
Jefferson DavisElton67.4108.5 SR 7-D
68.8110.7 SR 7-D / SR 25 – Oberlin, Jennings
Saint Landry81.0130.4 SR 7-E
84.7136.3 SR 7-H
Opelousas89.7144.4 SR 40 – Church Point
90.3145.3 SR 22 – Ville Platte
90.7146.0 US 167 / SR 5 – Washington, Lafayette
91.1146.6 SR 25 – Arnaudville
US 71 north – Alexandria
Southern terminus of US 71
Krotz Springs109.7176.5
US 190 east – Baton Rouge
End concurrency with US 190
110.8178.3End state maintenanceEastern terminus
Gap in route
Pointe CoupeeLottie0.00.0 US 190 (Airline Highway)Western terminus
SR 1 north – Melville
Begin concurrency with LA 1
IbervilleRosedale14.523.3 SR 65 – Grosse Tete, Plaquemine
West Baton Rouge19.531.4 SR 73 – New Roads
Port Allen28.045.1 SR 30 – New Roads
31.450.5 SR 30 – Plaquemine
31.550.7Toll ferry to Baton Rouge
East Baton RougeBaton Rouge32.552.3
SR 1 south – Gonzales
End concurrency with LA 1

US 61 north / US 190 west / SR 3 north
Begin concurrency with US 61/190
35.657.3 SR 37 – Greenwell Springs
US 61 south – Gonzales
End concurrency with US 61
44.271.1 SR 7-D (Old Hammond Highway)
LivingstonDenham Springs45.773.5
SR 7-E east (South River Rd.)
SR 7-E west (Centerville St.)
SR 7-F east
SR 7-F west
SR 46 to SR 7-D – Greensburg, Springfield

US 51 north / SR 33 north / SR 7-D west – Kentwood
Begin concurrency with US 51/LA 33

US 51 south / US 190 east / SR 33 south – Ponchatoula
End concurrency with US 51/US 190/LA 33
SR 7-E east
Saint TammanyCovington99.5160.1
SR 34 north – Folsom
Begin concurrency with LA 34
SR 34 south – Mandeville
End concurrency with LA 34
100.2161.3 SR 58 – Abita Springs
WashingtonBogalusa128.3206.5 SR 35 – FranklintonBegin concurrency with LA 35
128.6207.0 SR 35Poplarville, Miss.Begin concurrency with LA 35
144.5232.6 MS 35 – ColumbiaEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi