US Bridges

SR 315 over Coldwater Cut Off Canal

FairPosted for load

Quitman County, Mississippi · 2.7 MI W SR 3 · Structure no. 310031506001360

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
400 ft
3 main spans
Daily traffic
610
2023 count
Owner
State
State Highway Agency

About this bridge

SR 315 over Coldwater Cut Off Canal is a steel continuous stringer/multi-beam or girder carrying SR 315 over Coldwater Cut Off Canal in Quitman County, Mississippi. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 610 vehicles a day, roughly 19% of them trucks, projected to reach 610 by 2043. The structure is 400 ft (121.9 m) long and 31 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesSR 315
CrossesColdwater Cut Off Canal
Location2.7 MI W SR 3
RouteState Highway 315
CountyQuitman County
StateMississippi
Coordinates34.43891, -90.25813
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadH 15
Structure length400 ft (121.9 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 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 of existing bridge without deck rehabilitation
Estimated improvement cost$300 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 315 over Coldwater Cut Off Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR 315 over Coldwater Cut Off Canal 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 Coldwater Cut Off Canal carry?

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

How long is SR 315 over Coldwater Cut Off Canal?

The structure is 400 ft (121.9 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns SR 315 over Coldwater Cut Off Canal?

It is owned by the State Highway Agency.