US Bridges

Shed RD over Trib. to Macks Bayou

Fair

Bossier Parish, Louisiana · 1.3 MI East of LA 3105 · Structure no. 040832325934141

Built
1986
39 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
95 ft
5 main spans
Daily traffic
4,137
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shed RD over Trib. to Macks Bayou is a concrete slab carrying Shed RD over Trib. to Macks Bayou in Bossier Parish, Louisiana. It was built in 1986, so it is 39 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 4,137 vehicles a day, projected to reach 4,550 by 2041. The structure is 95 ft (29 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesShed RD
CrossesTrib. to Macks Bayou
Location1.3 MI East of LA 3105
RouteCounty Highway 0
Coordinates32.54266, -93.68999
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length95 ft (29 m)
Longest span19 ft (5.8 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,137 (2021)
Projected traffic4,550 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$333,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Shed RD over Trib. to Macks Bayou built?

It was built in 1986, making it 39 years old in 2025.

What condition is Shed RD over Trib. to Macks 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 December 2024.

How much traffic does Shed RD over Trib. to Macks Bayou carry?

About 4,137 vehicles per day (2021 count).

How long is Shed RD over Trib. to Macks Bayou?

The structure is 95 ft (29 m) long with a longest span of 19 ft (5.8 m) and a deck 36 ft wide.

Who owns Shed RD over Trib. to Macks Bayou?

It is owned by the City or Municipal Highway Agency.