US Bridges

LA0986 over Choctaw Bayou

FairPosted for load

West Baton Rouge Parish, Louisiana · 0.72 M W of LA 986&LA 1 · Structure no. 616102280701541

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
1,204
2021 count
Owner
State
State Highway Agency

About this bridge

LA0986 over Choctaw Bayou is a concrete slab carrying LA0986 over Choctaw Bayou in West Baton Rouge Parish, Louisiana. It was built in 1969, so it is 56 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,204 vehicles a day, roughly 11% of them trucks, projected to reach 1,324 by 2041. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLA0986
CrossesChoctaw Bayou
Location0.72 M W of LA 986&LA 1
RouteState Highway 986
Coordinates30.46267, -91.22414
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,204 (2021)
Projected traffic1,324 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 LA0986 over Choctaw Bayou built?

It was built in 1969, making it 56 years old in 2025.

What condition is LA0986 over Choctaw Bayou 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 2023.

How much traffic does LA0986 over Choctaw Bayou carry?

About 1,204 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is LA0986 over Choctaw Bayou?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.

Who owns LA0986 over Choctaw Bayou?

It is owned by the State Highway Agency.