US Bridges

SR 310 over Oak Chewalla Creek

Fair

Marshall County, Mississippi · 2.0 MI W SR 7 · Structure no. 310031004705930

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
303 ft
6 main spans
Daily traffic
810
2023 count
Owner
State
State Highway Agency

About this bridge

SR 310 over Oak Chewalla Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 310 over Oak Chewalla Creek in Marshall County, Mississippi. It was built in 1976, so it is 49 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 810 vehicles a day, roughly 3% of them trucks, projected to reach 810 by 2043. The structure is 303 ft (92.4 m) long and 31 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

Location

Open in Google Maps
CarriesSR 310
CrossesOak Chewalla Creek
Location2.0 MI W SR 7
RouteState Highway 310
CountyMarshall County
StateMississippi
Coordinates34.58223, -89.51173
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum 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 rating52.6 US tons
Inventory rating31.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2023)
Projected traffic810 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 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 310 over Oak Chewalla Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR 310 over Oak Chewalla Creek 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 February 2023.

How much traffic does SR 310 over Oak Chewalla Creek carry?

About 810 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 310 over Oak Chewalla Creek?

The structure is 303 ft (92.4 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns SR 310 over Oak Chewalla Creek?

It is owned by the State Highway Agency.