US Bridges

LA0528 over Clarke Bayou

FairPosted for load

Bossier Parish, Louisiana · 2.28 MI East of LA 157 · Structure no. 040801070102281

Built
1976
49 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
377
2021 count
Owner
State
State Highway Agency

About this bridge

LA0528 over Clarke Bayou is a concrete slab carrying LA0528 over Clarke Bayou in Bossier Parish, Louisiana. It was built in 1976, so it is 49 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 377 vehicles a day, roughly 20% of them trucks, projected to reach 414 by 2041. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLA0528
CrossesClarke Bayou
Location2.28 MI East of LA 157
RouteState Highway 528
CountyBossier Parish
StateLouisiana
Coordinates32.64381, -93.47563
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.5 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic377 (2021)
Projected traffic414 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$475,000
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0528 over Clarke Bayou built?

It was built in 1976, making it 49 years old in 2025.

What condition is LA0528 over Clarke 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 2023.

How much traffic does LA0528 over Clarke Bayou carry?

About 377 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is LA0528 over Clarke Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0528 over Clarke Bayou?

It is owned by the State Highway Agency.