US Bridges

SR 7 over Coldwater River Trib

Good

Marshall County, Mississippi · 2.6 MI S SR 313 · Structure no. 310000704715410

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

About this bridge

SR 7 over Coldwater River Trib is a prestressed concrete stringer/multi-beam or girder carrying SR 7 over Coldwater River Trib 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 11% of them trucks, projected to reach 2,600 by 2043. The structure is 502 ft (152.9 m) long and 47 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSR 7
CrossesColdwater River Trib
Location2.6 MI S SR 313
RouteState Highway 7
Coordinates34.8373, -89.4303
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 rating53.5 US tons
Inventory rating41.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+11 approach)
Design loadHL 93
Structure length502 ft (152.9 m)
Longest span60 ft (18.3 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 Trib built?

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

What condition is SR 7 over Coldwater River Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

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

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

How long is SR 7 over Coldwater River Trib?

The structure is 502 ft (152.9 m) long with a longest span of 60 ft (18.3 m) and a deck 47 ft wide.

Who owns SR 7 over Coldwater River Trib?

It is owned by the State Highway Agency.