US Bridges

LA0771 over Creek

Fair

La Salle Parish, Louisiana · .8 MI North of LA 503 · Structure no. 583008300100821

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
186
2021 count
Owner
State
State Highway Agency

About this bridge

LA0771 over Creek is a concrete slab carrying LA0771 over Creek in La Salle Parish, Louisiana. It was built in 1965, so it is 60 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 186 vehicles a day, roughly 11% of them trucks, projected to reach 204 by 2041. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0771
CrossesCreek
Location.8 MI North of LA 503
RouteState Highway 771
Coordinates31.78749, -92.1082
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2021)
Projected traffic204 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 LA0771 over Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is LA0771 over 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 March 2023.

How much traffic does LA0771 over Creek carry?

About 186 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0771 over Creek?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns LA0771 over Creek?

It is owned by the State Highway Agency.