US Bridges

LA0811 over Willow Creek

Fair

Jackson Parish, Louisiana · .4 MI East of LA 542 · Structure no. 052508250906091

Built
1980
45 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
455
2021 count
Owner
State
State Highway Agency

About this bridge

LA0811 over Willow Creek is a concrete slab carrying LA0811 over Willow Creek in Jackson Parish, Louisiana. It was built in 1980, so it is 45 years old, older 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 455 vehicles a day, roughly 19% of them trucks, projected to reach 500 by 2041. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0811
CrossesWillow Creek
Location.4 MI East of LA 542
RouteState Highway 811
Coordinates32.30049, -92.6603
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2021)
Projected traffic500 by 2041
Trucks19%
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

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 LA0811 over Willow Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is LA0811 over Willow 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 July 2024.

How much traffic does LA0811 over Willow Creek carry?

About 455 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0811 over Willow Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0811 over Willow Creek?

It is owned by the State Highway Agency.