US Bridges

US0171 over Barnes Creek

Fair

Beauregard Parish, Louisiana · 5.4 MI North of LA 110 · Structure no. 070600240405421

Built
2007
18 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
8,463
2021 count
Owner
State
State Highway Agency

About this bridge

US0171 over Barnes Creek is a concrete slab carrying US0171 over Barnes Creek in Beauregard Parish, Louisiana. It was built in 2007, so it is 18 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,463 vehicles a day, roughly 16% of them trucks, projected to reach 9,309 by 2041. The structure is 200 ft (61 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS0171
CrossesBarnes Creek
Location5.4 MI North of LA 110
RouteU.S. Route 171
Coordinates30.68287, -93.2382
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,463 (2021)
Projected traffic9,309 by 2041
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Barnes Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is US0171 over Barnes Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does US0171 over Barnes Creek carry?

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

How long is US0171 over Barnes Creek?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns US0171 over Barnes Creek?

It is owned by the State Highway Agency.