US Bridges

County Route 1 over Big Coal River

Fair

Boone County, West Virginia · 0.01 MI E. of CR 2 · Structure no. 00000000003A180

Built
2008
17 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
2 main spans
Daily traffic
1,200
2020 count
Owner
State
State Highway Agency

About this bridge

County Route 1 over Big Coal River is a steel continuous stringer/multi-beam or girder carrying County Route 1 over Big Coal River in Boone County, West Virginia. It was built in 2008, so it is 17 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 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,584 by 2040. The structure is 257 ft (78.4 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesCounty Route 1
CrossesBig Coal River
Location0.01 MI E. of CR 2
RouteCounty Highway 1
CountyBoone County
StateWest Virginia
Coordinates38.17925, -81.71184
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating58 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHL 93
Structure length257 ft (78.4 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2020)
Projected traffic1,584 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 County Route 1 over Big Coal River built?

It was built in 2008, making it 17 years old in 2025.

What condition is County Route 1 over Big Coal River 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 July 2024.

How much traffic does County Route 1 over Big Coal River carry?

About 1,200 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is County Route 1 over Big Coal River?

The structure is 257 ft (78.4 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns County Route 1 over Big Coal River?

It is owned by the State Highway Agency.