US Bridges

County Rt. 20/20 over Bluestone River

Fair

Mercer County, West Virginia · 0.12 Mile S. of CO.120 · Structure no. 00000000028A337

Built
2016
9 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
132 ft
2 main spans
Daily traffic
40
2020 count
Owner
State
State Highway Agency

About this bridge

County Rt. 20/20 over Bluestone River is a steel truss - thru carrying County Rt. 20/20 over Bluestone River in Mercer County, West Virginia. It was built in 2016, so it is 9 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 40 vehicles a day, roughly 6% of them trucks, projected to reach 48 by 2040. The structure is 132 ft (40.3 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Rt. 20/20
CrossesBluestone River
Location0.12 Mile S. of CO.120
RouteCounty Highway 2020
CountyMercer County
StateWest Virginia
Coordinates37.32485, -81.30931
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating31 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length132 ft (40.3 m)
Longest span63 ft (19.2 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic48 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Rt. 20/20 over Bluestone River built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Rt. 20/20 over Bluestone 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 September 2023.

How much traffic does County Rt. 20/20 over Bluestone River carry?

About 40 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is County Rt. 20/20 over Bluestone River?

The structure is 132 ft (40.3 m) long with a longest span of 63 ft (19.2 m) and a deck 17 ft wide.

Who owns County Rt. 20/20 over Bluestone River?

It is owned by the State Highway Agency.