US Bridges

LA0527 over Red Chute Bayou

Fair

Bossier Parish, Louisiana · 3.16 MI E JCT US 71-LA527 · Structure no. 040801210103161

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
191 ft
10 main spans
Daily traffic
1,951
2021 count
Owner
State
State Highway Agency

About this bridge

LA0527 over Red Chute Bayou is a concrete slab carrying LA0527 over Red Chute Bayou in Bossier Parish, Louisiana. It was built in 1983, so it is 42 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 5 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 1,951 vehicles a day, roughly 19% of them trucks, projected to reach 2,146 by 2041. The structure is 191 ft (58.2 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLA0527
CrossesRed Chute Bayou
Location3.16 MI E JCT US 71-LA527
RouteState Highway 527
Coordinates32.40277, -93.5491
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span19 ft (5.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,951 (2021)
Projected traffic2,146 by 2041
Trucks19%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0527 over Red Chute Bayou built?

It was built in 1983, making it 42 years old in 2025.

What condition is LA0527 over Red Chute 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 LA0527 over Red Chute Bayou carry?

About 1,951 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is LA0527 over Red Chute Bayou?

The structure is 191 ft (58.2 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.

Who owns LA0527 over Red Chute Bayou?

It is owned by the State Highway Agency.