US Bridges

SR 315 over Coldwater River

Fair

Quitman County, Mississippi · 1.0 MI E Coahoma Cl · Structure no. 310031506000520

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
8 main spans
Daily traffic
560
2023 count
Owner
State
State Highway Agency

About this bridge

SR 315 over Coldwater River is a prestressed concrete stringer/multi-beam or girder carrying SR 315 over Coldwater River in Quitman County, Mississippi. It was built in 1960, so it is 65 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 560 vehicles a day, roughly 26% of them trucks, projected to reach 560 by 2043. The structure is 320 ft (97.5 m) long and 26 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesSR 315
CrossesColdwater River
Location1.0 MI E Coahoma Cl
RouteState Highway 315
CountyQuitman County
StateMississippi
Coordinates34.39269, -90.38114
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2023)
Projected traffic560 by 2043
Trucks26%
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 of existing bridge without deck rehabilitation
Estimated improvement cost$260 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 315 over Coldwater River built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 315 over Coldwater River 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 October 2024.

How much traffic does SR 315 over Coldwater River carry?

About 560 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is SR 315 over Coldwater River?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns SR 315 over Coldwater River?

It is owned by the State Highway Agency.