US Bridges

LA0015 over Little Corney Bayou

Fair

Union Parish, Louisiana · 2.0 MI West of LA 3121 · Structure no. 055601540304951

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
8 main spans
Daily traffic
838
2021 count
Owner
State
State Highway Agency

About this bridge

LA0015 over Little Corney Bayou is a prestressed concrete stringer/multi-beam or girder carrying LA0015 over Little Corney Bayou in Union Parish, Louisiana. It was built in 1978, so it is 47 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 838 vehicles a day, roughly 15% of them trucks, projected to reach 921 by 2041. The structure is 400 ft (121.9 m) long and 42 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesLA0015
CrossesLittle Corney Bayou
Location2.0 MI West of LA 3121
RouteState Highway 15
Coordinates32.92933, -92.6331
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span50 ft (15.2 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic838 (2021)
Projected traffic921 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 LA0015 over Little Corney Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is LA0015 over Little Corney 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 February 2024.

How much traffic does LA0015 over Little Corney Bayou carry?

About 838 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0015 over Little Corney Bayou?

The structure is 400 ft (121.9 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.

Who owns LA0015 over Little Corney Bayou?

It is owned by the State Highway Agency.