US Bridges

CO 7 over Tug Fork

Good

McDowell County, West Virginia · 1.28 Mi. E of CR 7/11 · Structure no. 00000000024A381

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
177 ft
1 main span
Daily traffic
30
2022 count
Owner
State
State Highway Agency

About this bridge

CO 7 over Tug Fork is a steel stringer/multi-beam or girder carrying CO 7 over Tug Fork in McDowell County, West Virginia. It was built in 2022, so it is 3 years old, younger than the West Virginia average of 44.7 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 30 vehicles a day, roughly 9% of them trucks, projected to reach 32 by 2042. The structure is 177 ft (54 m) long and 32 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesCO 7
CrossesTug Fork
Location1.28 Mi. E of CR 7/11
RouteCounty Highway 70
Coordinates37.4598, -81.70401
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length177 ft (54 m)
Longest span175 ft (53.3 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic32 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 7 over Tug Fork built?

It was built in 2022, making it 3 years old in 2025.

What condition is CO 7 over Tug Fork 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 November 2024.

How much traffic does CO 7 over Tug Fork carry?

About 30 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is CO 7 over Tug Fork?

The structure is 177 ft (54 m) long with a longest span of 175 ft (53.3 m) and a deck 32 ft wide.

Who owns CO 7 over Tug Fork?

It is owned by the State Highway Agency.