US Bridges

West River RD over Prairie Branch

Fair

Rapides Parish, Louisiana · .8 Mile South JCT LA 113 · Structure no. 084030594924121

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
80 ft
4 main spans
Daily traffic
115
2022 count
Owner
County
County Highway Agency

About this bridge

West River RD over Prairie Branch is a concrete slab carrying West River RD over Prairie Branch in Rapides Parish, Louisiana. It was built in 2005, so it is 20 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 115 vehicles a day, projected to reach 126 by 2042. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWest River RD
CrossesPrairie Branch
Location.8 Mile South JCT LA 113
RouteCounty Highway 0
Coordinates30.99031, -92.6865
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2022)
Projected traffic126 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 West River RD over Prairie Branch built?

It was built in 2005, making it 20 years old in 2025.

What condition is West River RD over Prairie Branch 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 August 2023.

How much traffic does West River RD over Prairie Branch carry?

About 115 vehicles per day (2022 count).

How long is West River RD over Prairie Branch?

The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns West River RD over Prairie Branch?

It is owned by the County Highway Agency.