U.S. Route 171

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U.S. Route 171 marker

U.S. Route 171
Route information
Auxiliary route of US 71
Length: 183 mi (295 km)
Existed: 1930[1] – present
Major junctions
South end: US 90 / LA 14 in Lake Charles
  I-10 in Lake Charles
US 190 / LA 12 in Ragley
US 190 / LA 27 in DeRidder
US 84 in Mansfield
LA 3132 in Shreveport
I-20 in Shreveport
North end: US 79 / US 80 / LA 3094 in Shreveport
Parishes: Calcasieu, Beauregard, Vernon, Sabine, DeSoto, Caddo
Highway system

U.S. Route 171 (US 171) is a 183-mile-long (295 km) north–south United States highway. This short route, entirely within western Louisiana, has remained largely unchanged from its original 1926 route.

The highway's southern terminus is in Lake Charles at an intersection with U.S. Route 90.[2] Its northern terminus is in Shreveport, at an intersection with US 79/US 80. Here, the roadway continues as Louisiana Highway 3094.[3]

Route description[edit]

U.S. 171 is a major highway and is mostly divided, except through some towns. Beginning south to north from U.S. 90 the highway crosses I-10 then through Moss Bluff and the community of Gillis before entering Beauregard Parish. Next the community of Ragley, at the junction of U.S. Route 190 and Louisiana Highway 12. U.S. 171 continues north running concurrent with U.S. 190. The highway travels through the community of Longville before entering DeRidder. In DeRidder U.S. 171 crosses the Kansas City Southern Railroad tracks and passes through the DeRidder Commercial Historic District before splitting with U.S. 190. The old Sawmill community of Luddington is within the northern city limits. The northern city limits is also the Vernon Parish line. The old sawmill town of Midway is less than a mile north of DeRidder. About two miles north is the community of Rosepine. Two miles north of Rosepine is the site of the old Neame sawmill community. At a point in history this was a booming town with only two abandoned graves and a mill pond as memories. One graveyard, in a field south of a chip mill, is blocked by trees surrounding it or it would otherwise be in plain sight of the highway. U.S. 171 travels through the community of Pickering and the junction of LA 10, the main entrance to Fort Polk, Louisiana, New Llano, then into the city of Leesville. In Leesville U.S. 171 intersects with west Louisiana Highway 8 (to Texas) and runs concurrent with east LA 8 to the junction of LA 8/LA 28 east to Alexandria at the north Leesville city limits. A newly opened roundabout (traffic circle) completes the junction with LA 28, to hopefully correct several fatal car crashes at the intersection.

North of Leesville U.S. 171 goes through the communities of Hawthorn, Anacoco, and Hornbeck. Just north of Hornbeck is the Sabine Parish line and then Hodges Garden. U.S. 171 travels through the village of Florien the historic village of Fisher, where the annual sawmill days festival is held, the city of Many, the villages of Zwolle, Noble, then Converse. Just north of Converse U.S. 171 enters De Soto Parish then the village of Benson.

Four miles south of South Mansfield is the Mansfield State Historic Site that commemorates the 1864 Battle of Mansfield, and then Mansfield. North of Mansfield U.S. 171 runs through the village of Grand Cane, then the community of Kickapoo. Here U.S. 171 junctions with LA 5. To the west is the town of Keachi that has at least 10 buildings on the National Register of Historic Places. To the east is the unincorporated community of Gloster that has three buildings on the National register. About a mile north of the community of Stonewall U.S. 171 enters into Caddo Parish and travels through Keithville. On the south side of Shreveport, U.S. 171 junctions with the Inner Loop Expressway (Highway 3132). Through Shreveport to just north of East 70th Street (LA 511), it is called Mansfield Road, where Mansfield Road continues northeast and U.S. 171 continues north as Hearne Avenue. It junctions with U.S. 79 and U.S. 80 just north of I-20.

In a recent[when?] mistake found by the Louisiana DOTD, LA 3094, located at the northern terminus of US 171, was originally planned to be an extension north of the federal highway, and was the temporary designation. However, the routing for US 171 was never moved north. Once this mistake is fixed, US 171 will, in fact, meet US 71 once again.[citation needed]


US 171 began as a major two-lane highway. In 1962, I-210 was completed, and funds were appropriated for the highway to become four-laned. In the mid-1960s, the old iron bridge over the Calcasieu River, north of Lake Charles, was replaced and the highway was altered for the new bridge and portion of highway going into Moss Bluff. US 171 was designated a Blue Star Memorial Highway on Nov.11, 1964, and a highway marker was placed in the historic district at the junction with Washington street.[4] The TIMED Program widening of US 171 completed in July 2010 and it is now a four-lane divided highway for its entire rural existence.

Major intersections[edit]

The entire route is in Louisiana.

Parish Location mi km Destinations Notes
Calcasieu Lake Charles 0.0 0.0 US 90 (Fruge Street) / LA 14 south (Gerstner Memorial Drive) Southern terminus
LA 3020 (Opelousas Street)
I-10 – Beaumont, Lafayette I-10 exit 33
LA 3059
Moss Bluff LA 378 (Sam Houston Jones Parkway)
Beauregard Ragley US 190 east / LA 12 – Kinder, DeQuincy Interchange; southern end of US 190 concurrency
Longville LA 110
LA 394
LA 26
LA 112
DeRidder US 190 (1st Street) / LA 27 south (Pine Street) – DeQuincy 1st Street is a one-way street; inbound access only
US 190 west (Shirley Street) – Jasper One-way street; outbound access only; northern end of US 190 concurrency
Vernon LA 3226
Rosepine LA 1146
Pickering LA 10
Leesville LA 1211
LA 467
LA 468
LA 8 west Southern end of LA 8 concurrency
LA 1213 to LA 117
LA 8 east / LA 28 Northern end of LA 8 concurrency
Anacoco LA 111
Hornbeck LA 392
Sabine Florien LA 474
LA 118
Many LA 6 – Natchitoches
LA 175

US 171 Bus. – Zwolle
Zwolle LA 1216
LA 120

US 171 Bus. – Zwolle
Noble LA 1218
LA 483
Converse LA 174
DeSoto Benson LA 512
US 84 / US 84 Bus. – Logansport, Coushatta
Grand Cane LA 3015
Kickapoo LA 5
Stonewall LA 3276
Caddo Shreveport LA 525 (Colquitt Road)
LA 526 (Industrial Loop Expressway)
LA 3132 (Inner Loop Expressway)
LA 511 (West 70th Street)
I-20 – Dallas, Monroe I-20 exit 16A
183 295 US 79 / US 80 (Greenwood Road) / LA 3094 north (Hearne Avenue) Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Zwolle business route[edit]

U.S. Highway 171 Business
Location: Zwolle
Length: 3.12 mi (5.02 km)
Existed: 2010–present

U.S. Route 171 Business (US 171 Bus.) is a 3.12-mile (5.02 km) highway in Zwolle. It travels from west to east. US 171 Bus. follows the original routing of the US 171 mainline through Zwolle, connecting the former sections of US 171. As of 2012, it is still signed as north–south US 171.

The entire highway is in Zwolle, Sabine Parish.

mi km Destinations Notes
0.0 0.0 US 171 – Many Southern terminus
0.8 1.3 LA 1216 (Horton Street)
1.5 2.4 LA 475 (Obrie Street) to LA 482 (South Main Street)
2.2 3.5 LA 120 (Oak Street)
3.1 5.0 US 171 – Mansfield Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

Related routes[edit]


  1. ^ Droz, Robert V. U.S. Highways : From US 1 to (US 830). URL accessed 19 March 2006.[unreliable source?]
  2. ^ Calcasieu Parish, East Section (PDF) (Map). Cartography by DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved January 31, 2014. 
  3. ^ Caddo Parish, South Section (PDF) (Map). Cartography by DOTD Office of Multimodal Planning. Louisiana Department of Transportation and Development. February 2012. Retrieved January 31, 2014. 
  4. ^ [1] -Blue Star highway

External links[edit]

KML is from Wikidata