List of state highways in Louisiana (350–399)

The following is a list of state highways in the U.S. state of Louisiana designated in the 350-399 range.

Louisiana Highway 350

Louisiana Highway 350 (LA 350) runs 0.41 miles (0.66 km) in an east–west direction, connecting LA 31 and LA 347 via a vertical lift bridge over Bayou Teche in Parks, St. Martin Parish.^[2]

Louisiana Highway 351

Louisiana Highway 351 (LA 351) runs 0.71 miles (1.14 km) in an east–west direction, connecting LA 31 and LA 347 via a bridge over Bayou Teche near Ruth, St. Martin Parish.^[3]

Louisiana Highway 355

Louisiana Highway 355 (LA 355) runs 0.24 miles (0.39 km) in an east–west direction, connecting LA 31 and LA 347 via a bridge over Bayou Teche in Cecilia, St. Martin Parish.^[4]

Louisiana Highway 364

Louisiana Highway 364 (LA 364) consisted of a pontoon bridge across Bayou Lafourche in Mathews, Lafourche Parish.

The route was 0.06 miles (0.097 km) long, connecting LA 1 and LA 308 which run along the west and east banks of the bayou, respectively. It was an undivided two-lane highway for its entire length.

In the pre-1955 state highway system, LA 364 was designated as State Route C-2074.^[5] LA 364 was created with the 1955 Louisiana Highway renumbering,^[6] and became defunct in July 2004 when a new vertical lift bridge was completed 0.8 miles (1.3 km) downstream on an extension of LA 654.^[7] The Mathews Pontoon Bridge was closed and demolished as soon as its replacement was opened.^[7]

The entire highway was in Mathews, Lafourche Parish.

mi	km	Destinations	Notes
0.00	0.00	LA 1 – Raceland, Lockport	Western terminus
0.06	0.097	LA 308 – Raceland, Lockport	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 365

Louisiana Highway 365 (LA 365) runs 20.91 miles (33.65 km) in a general east–west direction from LA 370 east of Iota to LA 98 east of Mire, Acadia Parish.^[8]

The route heads east from LA 370 and makes a zigzag via LA 13. Continuing east through Branch, LA 365 intersects LA 35 southwest of Church Point. East of Branch, LA 365 passes through a point known as Higginbotham and intersects LA 95. The highway then zigzags to the southeast and reaches the St. Landry Parish line. Here, it turns due south and proceeds to a point on LA 98 between Mire and Carencro.^[8][9][10]

Louisiana Highway 366

Louisiana Highway 366 (LA 366) runs 0.80 miles (1.29 km) in a northwest to southeast direction along Patterson Street from US 165 to LA 8 in Pollock, Grant Parish.^[11]

Louisiana Highway 378

Louisiana Highway 378 (LA 378) runs 7.96 miles (12.81 km) in a southwest to northeast direction from I-10 in Westlake to US 171 in Moss Bluff, Calcasieu Parish.^[12] The route has a spur that travels 0.94 miles (1.51 km) along Sam Houston Jones Parkway to Sutherland Road in Sam Houston Jones State Park.^[13]

The route heads north from exit 27 on I-10 and travels along Sampson Street, an undivided four-lane highway with a center turning lane, through the city of Westlake. North of town, LA 378 narrows to two lanes and makes a zigzag east onto Phillips Road and north onto Davis Road to cross a vertical lift bridge over the West Fork of the Calcasieu River. Curving due east onto Sam Houston Jones Parkway, the route again widens to four lanes with a center lane and intersects LA 378 Spur, which provides access to Sam Houston Jones State Park. LA 378 continues east to its terminus at US 171 in the unincorporated community of Moss Bluff.^[12][14]

The entire highway is in Calcasieu Parish.

Location	mi[12]	km	Destinations	Notes
Westlake	0.0	0.0	To I-10 / US 90 – Lake Charles, Beaumont	Exit 27 on I-10
	0.4	0.64	LA 379 (Sulphur Avenue)
​	4.6– 4.8	7.4– 7.7	Bridge over West Fork Calcasieu River
​	5.1	8.2	LA 378 Spur (Sam Houston Jones Parkway)	Eastern terminus of LA 378 Spur; to Sam Houston Jones State Park
Moss Bluff	8.0	12.9	US 171 to I-10 – Lake Charles, DeRidder
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Louisiana Highway 380

Louisiana Highway 380 (LA 380) runs 9.89 miles (15.92 km) in an east–west direction from LA 99 south of Welsh to LA 26 in Lake Arthur, Jefferson Davis Parish.^[15]

Louisiana Highway 382

Louisiana Highway 382 (LA 382) runs 9.38 miles (15.10 km) in a north–south direction from LA 380 east of Thornwell to US 90 east of Welsh, Jefferson Davis Parish.^[16]

Louisiana Highway 387

Louisiana Highway 390

Louisiana Highway 390 (LA 390) runs 2.77 miles (4.46 km) in an east–west direction along West Main Street from Maggie Hebert Road, a local road, to LA 27 in Hackberry, Cameron Parish.^[17]

Louisiana Highway 399

Louisiana Highway 399 (LA 399) runs 15.54 miles (25.01 km) in a north–south direction from LA 112 northwest of Sugartown, Beauregard Parish to a local road north of Fullerton, Vernon Parish.^[18]

The route heads north from LA 112 and crosses from Beauregard Parish into Vernon Parish.^[18][19][20] It then curves to the northeast for 6.9 miles (11.1 km) to an intersection with LA 10 at Cravens. LA 399 turns east to follow LA 10 briefly before resuming a northeastern course to Fullerton. Here it intersects LA 458 and turns north to continue the route of that highway past Fullerton Lake to the end of state maintenance at Lookout Road, a local road. The northernmost section of the route is located within the Vernon Unit of the Kisatchie National Forest. LA 112 is an undivided two-lane highway for its entire length.^[18][21][22]

References

External links

• La DOTD State, District, and Parish Maps

Louisiana Highway System
Highway systems	Interstate U.S. State 1–49 50–99 100–149 150–199 300–349 350–399 400–449 450–499 500–549 550–599 600–649 650–699 700–749 750–799 800–849 850–899 900–949 950–999 1000–1049 1050–1099 1100–1149 1150–1199 1200–1299 3000–3049 3050–3099 3100–3149 3150–3199 3200–3249 3250–3299 Pre-1955 state highways
Highway agency	Louisiana Department of Transportation and Development (La DOTD)