US Bridges

US0171 over Creek

Good

Beauregard Parish, Louisiana · 8.5 MI North of LA 110 · Structure no. 070600240408551

Built
1931
94 years old, rebuilt 2006
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
5 main spans
Daily traffic
8,463
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Creek is a concrete culvert carrying US0171 over Creek in Beauregard Parish, Louisiana. It was built in 1931 and reconstructed in 2006, so it is 94 years old, older 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 8,463 vehicles a day, roughly 16% of them trucks, projected to reach 9,309 by 2041. The structure is 23 ft (7 m) long and 161 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesUS0171
CrossesCreek
Location8.5 MI North of LA 110
RouteU.S. Route 171
Coordinates30.72797, -93.23759
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length23 ft (7 m)
Longest span4 ft (1.2 m)
Deck width161 ft (49 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,463 (2021)
Projected traffic9,309 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US0171 over Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2006.

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 September 2024.

How much traffic does US0171 over Creek carry?

About 8,463 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US0171 over Creek?

The structure is 23 ft (7 m) long with a longest span of 4 ft (1.2 m) and a deck 161 ft wide.

Who owns US0171 over Creek?

It is owned by the State Highway Agency.