US Bridges

SR 7 over Coldwater River Relief

Fair

Marshall County, Mississippi · 1.6 MI S SR 313 · Structure no. 310000704715510

Built
2015
10 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
442 ft
1 main span
Daily traffic
1,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Coldwater River Relief is a prestressed concrete stringer/multi-beam or girder carrying SR 7 over Coldwater River Relief in Marshall County, Mississippi. It was built in 2015, so it is 10 years old, younger 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 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 2,600 by 2043. The structure is 442 ft (134.6 m) long and 47 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesSR 7
CrossesColdwater River Relief
Location1.6 MI S SR 313
RouteState Highway 7
CountyMarshall County
StateMississippi
Coordinates34.84725, -89.41816
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating42.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+9 approach)
Design loadHL 93
Structure length442 ft (134.6 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,600 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

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 7 over Coldwater River Relief built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR 7 over Coldwater River Relief 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 January 2024.

How much traffic does SR 7 over Coldwater River Relief carry?

About 1,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 7 over Coldwater River Relief?

The structure is 442 ft (134.6 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns SR 7 over Coldwater River Relief?

It is owned by the State Highway Agency.