US Bridges

LA0966 over Grant Bayou East Fork

Fair

West Feliciana Parish, Louisiana · 0.2 MI E of US 61 · Structure no. 616308630700271

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
57 ft
3 main spans
Daily traffic
857
2021 count
Owner
State
State Highway Agency

About this bridge

LA0966 over Grant Bayou East Fork is a concrete slab carrying LA0966 over Grant Bayou East Fork in West Feliciana Parish, Louisiana. It was built in 1991, so it is 34 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 857 vehicles a day, roughly 10% of them trucks, projected to reach 942 by 2041. The structure is 57 ft (17.4 m) long and 35 ft wide.

CarriesLA0966
CrossesGrant Bayou East Fork
Location0.2 MI E of US 61
RouteState Highway 966
Coordinates30.76756, -91.31412
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 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 traffic857 (2021)
Projected traffic942 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 LA0966 over Grant Bayou East Fork built?

It was built in 1991, making it 34 years old in 2025.

What condition is LA0966 over Grant Bayou East Fork 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 December 2024.

How much traffic does LA0966 over Grant Bayou East Fork carry?

About 857 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0966 over Grant Bayou East Fork?

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 LA0966 over Grant Bayou East Fork?

It is owned by the State Highway Agency.