US Bridges

LA0013 over Bayou Duralde

Fair

Evangeline Parish, Louisiana · 1.9 MI North of LA 374 · Structure no. 032000570503641

Built
1958
67 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
5,097
2021 count
Owner
State
State Highway Agency

About this bridge

LA0013 over Bayou Duralde is a concrete culvert carrying LA0013 over Bayou Duralde in Evangeline Parish, Louisiana. It was built in 1958, so it is 67 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 5,097 vehicles a day, roughly 13% of them trucks, projected to reach 5,606 by 2041. The structure is 23 ft (7 m) long and 78 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesLA0013
CrossesBayou Duralde
Location1.9 MI North of LA 374
RouteState Highway 13
Coordinates30.58884, -92.4321
Functional classRural Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width78 ft (23.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,097 (2021)
Projected traffic5,606 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 LA0013 over Bayou Duralde built?

It was built in 1958, making it 67 years old in 2025.

What condition is LA0013 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 August 2023.

How much traffic does LA0013 over Bayou Duralde carry?

About 5,097 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is LA0013 over Bayou Duralde?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m) and a deck 78 ft wide.

Who owns LA0013 over Bayou Duralde?

It is owned by the State Highway Agency.