US Bridges

LA0010 over Bayou

Fair

Allen Parish, Louisiana · 3 MI E of LA 112 · Structure no. 070200660405381

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
2,982
2021 count
Owner
State
State Highway Agency

About this bridge

LA0010 over Bayou is a concrete culvert carrying LA0010 over Bayou in Allen Parish, Louisiana. It was built in 1972, so it is 53 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 2,982 vehicles a day, roughly 18% of them trucks, projected to reach 3,280 by 2041. The structure is 26 ft (7.9 m) long and 50 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLA0010
CrossesBayou
Location3 MI E of LA 112
RouteState Highway 10
Coordinates30.85269, -92.7455
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 inspectionApril 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 spans4
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,982 (2021)
Projected traffic3,280 by 2041
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 LA0010 over Bayou built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0010 over Bayou 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 April 2023.

How much traffic does LA0010 over Bayou carry?

About 2,982 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is LA0010 over Bayou?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m) and a deck 50 ft wide.

Who owns LA0010 over Bayou?

It is owned by the State Highway Agency.