US Bridges

LA0581 over Tensas Bayou

Good

East Carroll Parish, Louisiana · .99 MI East of LA 134 · Structure no. 051803380100991

Built
2001
24 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
262 ft
5 main spans
Daily traffic
765
2021 count
Owner
State
State Highway Agency

About this bridge

LA0581 over Tensas Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA0581 over Tensas Bayou in East Carroll Parish, Louisiana. It was built in 2001, so it is 24 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 765 vehicles a day, roughly 15% of them trucks, projected to reach 841 by 2041. The structure is 262 ft (79.9 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesLA0581
CrossesTensas Bayou
Location.99 MI East of LA 134
RouteState Highway 581
Coordinates32.71521, -91.2689
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span52 ft (15.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic765 (2021)
Projected traffic841 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA0581 over Tensas Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is LA0581 over Tensas Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does LA0581 over Tensas Bayou carry?

About 765 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0581 over Tensas Bayou?

The structure is 262 ft (79.9 m) long with a longest span of 52 ft (15.8 m) and a deck 32 ft wide.

Who owns LA0581 over Tensas Bayou?

It is owned by the State Highway Agency.