US Bridges

Range Road over Cooper Bayou

FairPosted for load

Bossier Parish, Louisiana · 0.1 MI West of Dunn Road · Structure no. AFLAAWUB07009

Built
1951
74 years old, rebuilt 2018
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
75 ft
2 main spans
Daily traffic
2,500
2016 count
Owner
Federal
Air Force

About this bridge

Range Road over Cooper Bayou is a concrete tee beam carrying Range Road over Cooper Bayou in Bossier Parish, Louisiana. It was built in 1951 and reconstructed in 2018, so it is 74 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. Its operating status is: posted for other load-capacity restriction.

It carries about 2,500 vehicles a day, projected to reach 3,000 by 2036. The structure is 75 ft (22.9 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesRange Road
CrossesCooper Bayou
Location0.1 MI West of Dunn Road
Coordinates32.51541, -93.65931
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
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 statusPosted for other load-capacity restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span37 ft (11.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2016)
Projected traffic3,000 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$165,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Range Road over Cooper Bayou built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2018.

What condition is Range Road 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 Range Road over Cooper Bayou carry?

About 2,500 vehicles per day (2016 count).

How long is Range Road over Cooper Bayou?

The structure is 75 ft (22.9 m) long with a longest span of 37 ft (11.4 m) and a deck 31 ft wide.

Who owns Range Road over Cooper Bayou?

It is owned by the Air Force.