US Bridges

SR 512 over Souinlovey Creek

Good

Clarke County, Mississippi · 0.8 MI E SR 18 · Structure no. 310051201201170

Built
1975
50 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
452 ft
9 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 512 over Souinlovey Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 512 over Souinlovey Creek in Clarke County, Mississippi. It was built in 1975, so it is 50 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 1,300 vehicles a day, roughly 11% of them trucks, projected to reach 1,300 by 2043. The structure is 452 ft (137.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 512
CrossesSouinlovey Creek
Location0.8 MI E SR 18
RouteState Highway 512
Coordinates32.02641, -88.8385
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating39.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length452 ft (137.8 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,300 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 512 over Souinlovey Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 512 over Souinlovey Creek 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 512 over Souinlovey Creek carry?

About 1,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 512 over Souinlovey Creek?

The structure is 452 ft (137.8 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns SR 512 over Souinlovey Creek?

It is owned by the State Highway Agency.