US Bridges

LA0015 over Tensas River @ Clayton

Poor

Catahoula Parish, Louisiana · .01 MI West of LA 566 · Structure no. 581300260400001

Built
1971
54 years old
Condition
Poor
inspected April 2024
Type
Movable - Lift
Steel
Length
579 ft
5 main spans
Daily traffic
4,592
2021 count
Owner
State
State Highway Agency

About this bridge

LA0015 over Tensas River @ Clayton is a steel movable - lift carrying LA0015 over Tensas River @ Clayton in Catahoula Parish, Louisiana. It was built in 1971, so it is 54 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,592 vehicles a day, roughly 20% of them trucks, projected to reach 5,051 by 2041. The structure is 579 ft (176.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0015
CrossesTensas River @ Clayton
Location.01 MI West of LA 566
RouteState Highway 15
Coordinates31.72352, -91.54376
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating64 US tons
Inventory rating39 US tons

Structure

Structure typeMovable - Lift
MaterialSteel
DeckOpen grating
Main spans5
Design loadHS 20
Structure length579 ft (176.5 m)
Longest span181 ft (55.2 m)
Deck width43 ft (13.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic4,592 (2021)
Projected traffic5,051 by 2041
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 LA0015 over Tensas River @ Clayton built?

It was built in 1971, making it 54 years old in 2025.

What condition is LA0015 over Tensas River @ Clayton in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does LA0015 over Tensas River @ Clayton carry?

About 4,592 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0015 over Tensas River @ Clayton?

The structure is 579 ft (176.5 m) long with a longest span of 181 ft (55.2 m) and a deck 43 ft wide.

Who owns LA0015 over Tensas River @ Clayton?

It is owned by the State Highway Agency.