US Bridges

LA0757 over Bayou Descannes

Fair

St. Landry Parish, Louisiana · 4.3 MI E of LA 3277 · Structure no. 034908492600001

Built
1999
26 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
280 ft
7 main spans
Daily traffic
3,491
2021 count
Owner
State
State Highway Agency

About this bridge

LA0757 over Bayou Descannes is a concrete slab carrying LA0757 over Bayou Descannes in St. Landry Parish, Louisiana. It was built in 1999, so it is 26 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 3,491 vehicles a day, roughly 12% of them trucks, projected to reach 3,840 by 2041. The structure is 280 ft (85.3 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLA0757
CrossesBayou Descannes
Location4.3 MI E of LA 3277
RouteState Highway 757
CountySt. Landry Parish
StateLouisiana
Coordinates30.5193, -92.46083
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,491 (2021)
Projected traffic3,840 by 2041
Trucks12%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0757 over Bayou Descannes built?

It was built in 1999, making it 26 years old in 2025.

What condition is LA0757 over Bayou Descannes 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 LA0757 over Bayou Descannes carry?

About 3,491 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA0757 over Bayou Descannes?

The structure is 280 ft (85.3 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns LA0757 over Bayou Descannes?

It is owned by the State Highway Agency.