Louisiana Highway 31

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Louisiana Highway 31

Route information
Maintained by Louisiana DOTD
Length54.6 mi[1] (87.9 km)
Existed1955 renumbering–present
Major junctions
South end LA 182 in New Iberia
Major intersections I-49 / US 167 in Opelousas
North end LA 182 in Opelousas
CountryUnited States
ParishesIberia, St. Martin, St. Landry
Highway system
  • Louisiana State Highway System
LA 30 LA 32

Louisiana Highway 31 (LA 31) is a 54.6-mile-long (87.9 km) north–south state highway in Louisiana that serves Iberia, St. Martin, and St. Landry parishes, extending from LA 182 in New Iberia, and ending at the same highway in Opelousas.[2]

Route description

From the south, LA 31 begins at a junction with LA 182 in New Iberia. After a short distance, the route begins to travel along the west bank of Bayou Teche. LA 31 crosses from Iberia Parish into St. Martin Parish near a junction with LA 86. Passing through the historic town of St. Martinville, LA 31 briefly overlaps LA 96. Continuing northward, LA 31 makes a jog in the tiny community of Parks and follows a western bend in Bayou Teche. In the town of Breaux Bridge, LA 31 makes another jog and crosses LA 94. At the north end of town, the highway crosses but does intersect I-10, the main highway across southern Louisiana. Access to the interstate is instead provided by LA 328 on the opposite bank of Bayou Teche.

LA 31 continues to meander along several bends in the bayou, passing opposite Cecilia en route to Arnaudville. Here, the highway intersects the eastern terminus of LA 93, connecting with nearby I-49. Immediately afterward, LA 31 switches to the opposite bank of Bayou Teche and proceeds northwest to Leonville, where it intersects LA 103. A few miles later, LA 31 leaves the path of Bayou Teche and eventually comes to a T-intersection with LA 742. The highway turns due west, enters the city limits of Opelousas, and passes through a diamond interchange with I-49. LA 31 proceeds on Creswell Lane a short distance further to its junction with LA 182 a few blocks south of the downtown area.[1]

Major intersections

IberiaNew Iberia0.00.0 LA 182 (West St. Peter Street, West Main Street) – Jeanerette, LafayetteSouthern terminus; one-way pair
0.60.97 LA 677 (North Landry Drive)
2.64.2 LA 86 – Loreauville, Lake DauteriveNorthern terminus of LA 86
St. MartinCinco6.710.8 LA 92-1 (Smede Highway) – Cade
St. Martinville8.613.8
LA 96 west (Port Street) – Broussard, Lafayette
Southern end of LA 96 concurrency
LA 96 east (Bridge Street)
Northern end of LA 96 concurrency
10.016.1 LA 353 (Cypress Island Highway) – Cypress IslandEastern terminus of LA 353
Parks15.224.5 LA 350 (Bridge Street)Western terminus of LA 350
Ruth19.030.6 LA 351Western terminus of LA 351
Breaux Bridge21.935.2

LA 336-1 east (East Bridge Street) to I-10 – Cecilia
Southern end of LA 336-1 concurrency
LA 336-1 west (West Bridge Street)
Northern end of LA 336-1 concurrency
22.936.9 LA 94 (Mills Avenue) – Cecilia, Lafayette
27.444.1 LA 341 (DeClouet Highway)Southern terminus of LA 341
Cecilia30.749.4 LA 355 (Cecilia Bridge Highway) – CeciliaWestern terminus of LA 355
33.353.6 LA 354 (DeClouet Highway)Northern terminus of LA 354
Arnaudville37.259.9 LA 93 (Courtableau Street) – SunsetNorthern terminus of LA 93
St. Landry37.360.0
LA 347 north (Fuselier Street)
Southern end of LA 347 concurrency
37.460.2Bridge over Bayou Teche
LA 347 south (Fuselier Street)
Northern end of LA 347 concurrency
43.169.4 LA 741 – Krotz Springs, Baton RougeSouthern terminus of LA 741
Leonville45.072.4 LA 103 – Port BarreSouthern terminus of LA 103
45.172.6Bridge over Bayou Teche
45.372.9 LA 347 / LA 3254Northern terminus of LA 347; western terminus of LA 3254
52.384.2 LA 742 – Port BarreWestern terminus of LA 742
Opelousas53.786.4 I-49 / US 167 – Lafayette, AlexandriaExit 18 on I-49/US 167
54.687.9 LA 182 (South Union Street)Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c Google (August 7, 2015). "Overview Map of LA 31" (Map). Google Maps. Google. Retrieved August 7, 2015.
  2. ^ "LA State Highways - South-East Roads".