US Bridges

SR 1 over Wilkes Bayou

Good

Bolivar County, Mississippi · 2.5 MI S Coahoma Cl · Structure no. 310000100612180

Built
1950
75 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
370
2023 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Wilkes Bayou is a concrete culvert carrying SR 1 over Wilkes Bayou in Bolivar County, Mississippi. It was built in 1950, so it is 75 years old, older than the Mississippi average of 38.9 years.

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

It carries about 370 vehicles a day, roughly 29% of them trucks, projected to reach 370 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 1
CrossesWilkes Bayou
Location2.5 MI S Coahoma Cl
RouteState Highway 1
Coordinates34.09377, -90.85077
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2023)
Projected traffic370 by 2043
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1 over Wilkes Bayou built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 1 over Wilkes 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 SR 1 over Wilkes Bayou carry?

About 370 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is SR 1 over Wilkes Bayou?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m).

Who owns SR 1 over Wilkes Bayou?

It is owned by the State Highway Agency.