US Bridges

LA0076 over Chamberlin Canal

Fair

West Baton Rouge Parish, Louisiana · 2.3 M E of LA 413@LA 76 · Structure no. 616102280605671

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

About this bridge

LA0076 over Chamberlin Canal is a concrete tee beam carrying LA0076 over Chamberlin Canal 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 82 ft (25 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLA0076
CrossesChamberlin Canal
Location2.3 M E of LA 413@LA 76
RouteState Highway 76
Coordinates30.46857, -91.34772
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length82 ft (25 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 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 closed8.1 mi (13 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 Chamberlin Canal built?

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

What condition is LA0076 over Chamberlin Canal 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 Chamberlin Canal carry?

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

How long is LA0076 over Chamberlin Canal?

The structure is 82 ft (25 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0076 over Chamberlin Canal?

It is owned by the State Highway Agency.