US Bridges

CO 20/5 over Bluestone River

Fair

Mercer County, West Virginia · 0.07 Miles East of CR.120 · Structure no. 00000000028A336

Built
2016
9 years old
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
132 ft
2 main spans
Daily traffic
700
2020 count
Owner
State
State Highway Agency

About this bridge

CO 20/5 over Bluestone River is a steel truss - thru carrying CO 20/5 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 840 by 2040. The structure is 132 ft (40.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO 20/5
CrossesBluestone River
Location0.07 Miles East of CR.120
RouteCounty Highway 205
Coordinates37.32575, -81.31156
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46 US tons
Inventory rating34.9 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 width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic840 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 20/5 over Bluestone River built?

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

What condition is CO 20/5 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 CO 20/5 over Bluestone River carry?

About 700 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is CO 20/5 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 20 ft wide.

Who owns CO 20/5 over Bluestone River?

It is owned by the State Highway Agency.