US Bridges

County Road 3/10 over Big Coal River

Fair

Boone County, West Virginia · 0.02 MI W of Wv 3 · Structure no. 00000000003A029

Built
1996
29 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
1 main span
Daily traffic
90
2022 count
Owner
State
State Highway Agency

About this bridge

County Road 3/10 over Big Coal River is a steel continuous stringer/multi-beam or girder carrying County Road 3/10 over Big Coal River in Boone County, West Virginia. It was built in 1996, so it is 29 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 5 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 90 vehicles a day, roughly 8% of them trucks, projected to reach 119 by 2042. The structure is 179 ft (54.6 m) long and 26 ft wide.

CarriesCounty Road 3/10
CrossesBig Coal River
Location0.02 MI W of Wv 3
RouteCounty Highway 310
Coordinates38.04357, -81.57321
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating71 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length179 ft (54.6 m)
Longest span72 ft (21.9 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic119 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Road 3/10 over Big Coal River built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road 3/10 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 March 2024.

How much traffic does County Road 3/10 over Big Coal River carry?

About 90 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Road 3/10 over Big Coal River?

The structure is 179 ft (54.6 m) long with a longest span of 72 ft (21.9 m) and a deck 26 ft wide.

Who owns County Road 3/10 over Big Coal River?

It is owned by the State Highway Agency.