US Bridges

LA0076 over Bayou Tommy

Fair

West Baton Rouge Parish, Louisiana · 0.4 M W of LA 413@LA 76 · Structure no. 616102280602851

Built
1952
73 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
36 ft
4 main spans
Daily traffic
7,562
2021 count
Owner
State
State Highway Agency

About this bridge

LA0076 over Bayou Tommy is a concrete culvert carrying LA0076 over Bayou Tommy in West Baton Rouge Parish, Louisiana. It was built in 1952, so it is 73 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 7,562 vehicles a day, roughly 10% of them trucks, projected to reach 8,318 by 2041. The structure is 36 ft (11 m) long and 45 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesLA0076
CrossesBayou Tommy
Location0.4 M W of LA 413@LA 76
RouteState Highway 76
CountyWest Baton Rouge Parish
StateLouisiana
Coordinates30.47607, -91.3912
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width45 ft (13.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,562 (2021)
Projected traffic8,318 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 LA0076 over Bayou Tommy built?

It was built in 1952, making it 73 years old in 2025.

What condition is LA0076 over Bayou Tommy 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 June 2023.

How much traffic does LA0076 over Bayou Tommy carry?

About 7,562 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is LA0076 over Bayou Tommy?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m) and a deck 45 ft wide.

Who owns LA0076 over Bayou Tommy?

It is owned by the State Highway Agency.