US Bridges

LA0029 over Bayou Cocodrie

Fair

St. Landry Parish, Louisiana · 0.05 MI West of I-49 · Structure no. 034902030400002

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
240 ft
12 main spans
Daily traffic
1,012
2022 count
Owner
State
State Highway Agency

About this bridge

LA0029 over Bayou Cocodrie is a concrete slab carrying LA0029 over Bayou Cocodrie in St. Landry Parish, Louisiana. It was built in 1987, so it is 38 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 5 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 1,012 vehicles a day, roughly 13% of them trucks, projected to reach 1,113 by 2042. The structure is 240 ft (73.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0029
CrossesBayou Cocodrie
Location0.05 MI West of I-49
RouteState Highway 29
Coordinates30.77881, -92.19119
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,012 (2022)
Projected traffic1,113 by 2042
Trucks13%
Lanes on structure2
Traffic directionOne-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 LA0029 over Bayou Cocodrie built?

It was built in 1987, making it 38 years old in 2025.

What condition is LA0029 over Bayou Cocodrie 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 February 2024.

How much traffic does LA0029 over Bayou Cocodrie carry?

About 1,012 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is LA0029 over Bayou Cocodrie?

The structure is 240 ft (73.2 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns LA0029 over Bayou Cocodrie?

It is owned by the State Highway Agency.