US Bridges

LA 3277 over Bayou Duralde

Fair

Evangeline Parish, Louisiana · 1.2 Miles North of LA 374 · Structure no. 032008202504011

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
759
2021 count
Owner
State
State Highway Agency

About this bridge

LA 3277 over Bayou Duralde is a concrete slab carrying LA 3277 over Bayou Duralde in Evangeline Parish, Louisiana. It was built in 1959, so it is 66 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 759 vehicles a day, roughly 12% of them trucks, projected to reach 834 by 2041. The structure is 200 ft (61 m) long and 29 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesLA 3277
CrossesBayou Duralde
Location1.2 Miles North of LA 374
RouteState Highway 371
CountyEvangeline Parish
StateLouisiana
Coordinates30.56726, -92.5399
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic759 (2021)
Projected traffic834 by 2041
Trucks12%
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 LA 3277 over Bayou Duralde built?

It was built in 1959, making it 66 years old in 2025.

What condition is LA 3277 over Bayou Duralde 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 May 2024.

How much traffic does LA 3277 over Bayou Duralde carry?

About 759 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is LA 3277 over Bayou Duralde?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns LA 3277 over Bayou Duralde?

It is owned by the State Highway Agency.