US Bridges

US0171 over Creek

Good

Sabine Parish, Louisiana · 0.49 Mi. South of LA 474 · Structure no. 084300250207711

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
3,811
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Creek is a concrete culvert carrying US0171 over Creek in Sabine Parish, Louisiana. It was built in 2004, so it is 21 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,811 vehicles a day, roughly 15% of them trucks, projected to reach 4,192 by 2041. The structure is 34 ft (10.4 m) long and 108 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS0171
CrossesCreek
Location0.49 Mi. South of LA 474
RouteU.S. Route 171
Coordinates31.43607, -93.4567
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span8 ft (2.4 m)
Deck width108 ft (32.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,811 (2021)
Projected traffic4,192 by 2041
Trucks15%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0171 over Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is US0171 over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does US0171 over Creek carry?

About 3,811 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US0171 over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 8 ft (2.4 m) and a deck 108 ft wide.

Who owns US0171 over Creek?

It is owned by the State Highway Agency.