US Bridges

LA0537 over Stillhouse Bayou

Fair

Bossier Parish, Louisiana · 2.7 MI North of LA 2 · Structure no. 040800000040279

Built
2011
14 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
220 ft
11 main spans
Daily traffic
21
2021 count
Owner
State
State Highway Agency

About this bridge

LA0537 over Stillhouse Bayou is a concrete slab carrying LA0537 over Stillhouse Bayou in Bossier Parish, Louisiana. It was built in 2011, so it is 14 years old, younger 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 21 vehicles a day, roughly 20% of them trucks, projected to reach 23 by 2041. The structure is 220 ft (67.1 m) long and 27 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesLA0537
CrossesStillhouse Bayou
Location2.7 MI North of LA 2
RouteState Highway 537
Coordinates32.92478, -93.7958
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2021)
Projected traffic23 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0537 over Stillhouse Bayou built?

It was built in 2011, making it 14 years old in 2025.

What condition is LA0537 over Stillhouse 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 November 2024.

How much traffic does LA0537 over Stillhouse Bayou carry?

About 21 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0537 over Stillhouse Bayou?

The structure is 220 ft (67.1 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns LA0537 over Stillhouse Bayou?

It is owned by the State Highway Agency.