US Bridges

LA0526 over West Fork Gilmer Bayou

Fair

Caddo Parish, Louisiana · 1.52 MI S of LA 511 · Structure no. 040908090802011

Built
1977
48 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
16,067
2021 count
Owner
State
State Highway Agency

About this bridge

LA0526 over West Fork Gilmer Bayou is a concrete culvert carrying LA0526 over West Fork Gilmer Bayou in Caddo Parish, Louisiana. It was built in 1977, so it is 48 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 16,067 vehicles a day, roughly 8% of them trucks, projected to reach 17,673 by 2041. The structure is 44 ft (13.4 m) long and 128 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA0526
CrossesWest Fork Gilmer Bayou
Location1.52 MI S of LA 511
RouteState Highway 526
Coordinates32.42031, -93.9003
Functional classUrban Other Principal 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width128 ft (39 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,067 (2021)
Projected traffic17,673 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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 LA0526 over West Fork Gilmer Bayou built?

It was built in 1977, making it 48 years old in 2025.

What condition is LA0526 over West Fork Gilmer 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 LA0526 over West Fork Gilmer Bayou carry?

About 16,067 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is LA0526 over West Fork Gilmer Bayou?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 128 ft wide.

Who owns LA0526 over West Fork Gilmer Bayou?

It is owned by the State Highway Agency.