US Bridges

Foster RD over Bayou

Good

East Carroll Parish, Louisiana · 0.1 MI N of LA 580 · Structure no. 051800000400060

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
150
2016 count
Owner
County
County Highway Agency

About this bridge

Foster RD over Bayou is a concrete culvert carrying Foster RD over Bayou in East Carroll Parish, Louisiana. It was built in 2009, so it is 16 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 150 vehicles a day, projected to reach 165 by 2036. The structure is 35 ft (10.7 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFoster RD
CrossesBayou
Location0.1 MI N of LA 580
RouteCounty Highway 0
Coordinates32.61282, -91.21473
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width40 ft (12.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2016)
Projected traffic165 by 2036
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Foster RD over Bayou built?

It was built in 2009, making it 16 years old in 2025.

What condition is Foster RD over 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 March 2023.

How much traffic does Foster RD over Bayou carry?

About 150 vehicles per day (2016 count).

How long is Foster RD over Bayou?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 40 ft wide.

Who owns Foster RD over Bayou?

It is owned by the County Highway Agency.