US Bridges

Convoy Route over Cooper Bayou

Fair

Bossier Parish, Louisiana · 0.2 MI W. of Perimeter RD · Structure no. AFLAAWUB07702

Built
1987
38 years old, rebuilt 2000
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
165 ft
5 main spans
Daily traffic
25
2016 count
Owner
Federal
Air Force

About this bridge

Convoy Route over Cooper Bayou is a concrete continuous slab carrying Convoy Route over Cooper Bayou in Bossier Parish, Louisiana. It was built in 1987 and reconstructed in 2000, so it is 38 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 25 vehicles a day, projected to reach 30 by 2036. The structure is 165 ft (50.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesConvoy Route
CrossesCooper Bayou
Location0.2 MI W. of Perimeter RD
CountyBossier Parish
StateLouisiana
Coordinates32.50602, -93.65464
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length165 ft (50.3 m)
Longest span38 ft (11.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2016)
Projected traffic30 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Convoy Route over Cooper Bayou built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2000.

What condition is Convoy Route over Cooper 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 Convoy Route over Cooper Bayou carry?

About 25 vehicles per day (2016 count).

How long is Convoy Route over Cooper Bayou?

The structure is 165 ft (50.3 m) long with a longest span of 38 ft (11.6 m) and a deck 31 ft wide.

Who owns Convoy Route over Cooper Bayou?

It is owned by the Air Force.