US Bridges

Shed RD over Flat River Bayou

Good

Bossier Parish, Louisiana · 1.5 Miles North of US 80 · Structure no. 040832337933881

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
220 ft
11 main spans
Daily traffic
9,854
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shed RD over Flat River Bayou is a concrete slab carrying Shed RD over Flat River Bayou in Bossier Parish, Louisiana. It was built in 2001, so it is 24 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,854 vehicles a day, projected to reach 10,839 by 2041. The structure is 220 ft (67.1 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesShed RD
CrossesFlat River Bayou
Location1.5 Miles North of US 80
RouteCity Street 0
Coordinates32.56119, -93.64644
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span20 ft (6.1 m)
Deck width64 ft (19.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,854 (2021)
Projected traffic10,839 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Shed RD over Flat River Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is Shed RD over Flat River Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Shed RD over Flat River Bayou carry?

About 9,854 vehicles per day (2021 count).

How long is Shed RD over Flat River Bayou?

The structure is 220 ft (67.1 m) long with a longest span of 20 ft (6.1 m) and a deck 64 ft wide.

Who owns Shed RD over Flat River Bayou?

It is owned by the City or Municipal Highway Agency.