US Bridges

CO 1 over Tug Fork and NS RR

Fair

McDowell County, West Virginia · 0.01 MI East of CO 1/14 · Structure no. 00000000024A250

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
596 ft
1 main span
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

CO 1 over Tug Fork and NS RR is a steel continuous stringer/multi-beam or girder carrying CO 1 over Tug Fork and NS RR in McDowell County, West Virginia. It was built in 1997, so it is 28 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 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 1,500 vehicles a day, roughly 9% of them trucks, projected to reach 1,575 by 2043. The structure is 596 ft (181.6 m) long and 41 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesCO 1
CrossesTug Fork and NS RR
Location0.01 MI East of CO 1/14
RouteCounty Highway 100
CountyMcDowell County
StateWest Virginia
Coordinates37.47924, -81.83878
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating98 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length596 ft (181.6 m)
Longest span246 ft (75 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,575 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed13 mi (21 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 1 over Tug Fork and NS RR built?

It was built in 1997, making it 28 years old in 2025.

What condition is CO 1 over Tug Fork and NS RR 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 CO 1 over Tug Fork and NS RR carry?

About 1,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is CO 1 over Tug Fork and NS RR?

The structure is 596 ft (181.6 m) long with a longest span of 246 ft (75 m) and a deck 41 ft wide.

Who owns CO 1 over Tug Fork and NS RR?

It is owned by the State Highway Agency.