US Bridges

SR 315 over Ditch

Fair

Quitman County, Mississippi · 2.8 MI W SR 3 · Structure no. 310031506001350

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
610
2023 count
Owner
State
State Highway Agency

About this bridge

SR 315 over Ditch is a concrete culvert carrying SR 315 over Ditch in Quitman County, Mississippi. It was built in 1965, so it is 60 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 5 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 610 vehicles a day, roughly 19% of them trucks, projected to reach 610 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 315
CrossesDitch
Location2.8 MI W SR 3
RouteState Highway 315
Coordinates34.43893, -90.26059
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating35.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2023)
Projected traffic610 by 2043
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$285 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 315 over Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 315 over Ditch 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 September 2024.

How much traffic does SR 315 over Ditch carry?

About 610 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SR 315 over Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 315 over Ditch?

It is owned by the State Highway Agency.