US Bridges

SR 8 over Alligator Lake Outlet

Good

Leflore County, Mississippi · 0.1 MI E Sunflower Cl · Structure no. 310000804203500

Built
1953
72 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
50 ft
2 main spans
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 8 over Alligator Lake Outlet is a concrete culvert carrying SR 8 over Alligator Lake Outlet in Leflore County, Mississippi. It was built in 1953, so it is 72 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 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 2,000 vehicles a day, roughly 14% of them trucks, projected to reach 2,000 by 2043. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 44.7 mi (72 km).

CarriesSR 8
CrossesAlligator Lake Outlet
Location0.1 MI E Sunflower Cl
RouteState Highway 8
Coordinates33.73786, -90.45014
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.1 US tons
Inventory rating32.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,000 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 8 over Alligator Lake Outlet built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR 8 over Alligator Lake Outlet 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 May 2023.

How much traffic does SR 8 over Alligator Lake Outlet carry?

About 2,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 8 over Alligator Lake Outlet?

The structure is 50 ft (15.2 m) long with a longest span of 20 ft (6.1 m).

Who owns SR 8 over Alligator Lake Outlet?

It is owned by the State Highway Agency.