Louisiana Highway 315

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Louisiana Highway 315 marker

Louisiana Highway 315
Bayou Du Large Road
Route information
Maintained by Louisiana DOTD
Length: 20.3 mi[1] (32.7 km)
Existed: 1955 renumbering – present
Major junctions
South end: Begin state maintenance south of Theriot
  LA 661 south of Houma
North end: LA 182 / LA 3197 in Houma
Parishes: Terrebonne
Highway system
  • Louisiana Highway System
LA 314 LA 316

Louisiana Highway 315 (LA 315) is a state highway that serves Terrebonne Parish. It runs 20.3 miles (32.7 km) in a south to north direction along Bayou Du Large Road, connecting Houma with Theriot and points south along Bayou Du Large.[1]

Route description[edit]

From the south, LA 315 begins at a point along the east bank of Bayou Du Large where Bayou Du Large Road transitions from parish to state maintenance just north of its dead end and south of Lovell Court. LA 315 proceeds north along the bayou, passing through Theriot, Sunrise, and Crozier before reaching a bridge over the Gulf Intracoastal Waterway just south of Houma. Here LA 315 loops underneath the bridge and intersects with LA 661 which heads northeast into Houma. LA 315 proceeds northwest across the GIWW bridge and enters Houma. LA 315 reaches its northern terminus at an intersection with LA 182 and LA 3197. LA 182 continues west along Bayou Black Drive toward Gibson and ahead into Houma on Barrow Street.

Major intersections[edit]

The entire highway is in Terrebonne Parish.

Location mi[1] km Destinations Notes
  0.0 0.0 Begin state maintenance at canal north of dead end Southern terminus
  6.6 10.6 Bridge over Falgout Canal
Theriot 11.1 17.9 Bridge over Marmande Canal
  19.5 31.4 LA 661 – Houma Interchange;
Southern terminus of LA 661
Houma southern limit 19.5 31.4 Bridge over Gulf Intracoastal Waterway
Houma 20.3 32.7 LA 182 (Bayou Black Drive, Barrow Street) – Houma, Morgan City
LA 3197 (Bayou Black Drive)
Northern terminus;
Southern terminus of LA 3197
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c Microsoft; Nokia (November 9, 2012). "Map of LA 315" (Map). Bing Maps. Microsoft. Retrieved November 9, 2012.  Check date values in: |date=, |accessdate= (help)

External links[edit]

Route map: Bing