US Bridges

SR 8 over Lead Bayou

Fair

Bolivar County, Mississippi · 1.4 MI E US 61 · Structure no. 310000800602060

Built
1940
85 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
9,500
2023 count
Owner
State
State Highway Agency

About this bridge

SR 8 over Lead Bayou is a concrete culvert carrying SR 8 over Lead Bayou in Bolivar County, Mississippi. It was built in 1940, so it is 85 years old, older than the Mississippi average of 38.9 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 9,500 vehicles a day, roughly 9% of them trucks, projected to reach 9,700 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSR 8
CrossesLead Bayou
Location1.4 MI E US 61
RouteState Highway 8
Coordinates33.74743, -90.69217
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic9,700 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$308 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 8 over Lead Bayou built?

It was built in 1940, making it 85 years old in 2025.

What condition is SR 8 over Lead 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 March 2024.

How much traffic does SR 8 over Lead Bayou carry?

About 9,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 8 over Lead Bayou?

The structure is 29 ft (8.8 m) long with a longest span of 18 ft (5.5 m).

Who owns SR 8 over Lead Bayou?

It is owned by the State Highway Agency.