US Bridges

County Route 15 over Bluestone River

PoorPosted for load

Mercer County, West Virginia · 1.15 Mi. E. of CR 120 · Structure no. 00000000028A044

Built
1964
61 years old, rebuilt 1988
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
65 ft
1 main span
Daily traffic
150
2022 count
Owner
State
State Highway Agency

About this bridge

County Route 15 over Bluestone River is a steel continuous stringer/multi-beam or girder carrying County Route 15 over Bluestone River in Mercer County, West Virginia. It was built in 1964 and reconstructed in 1988, so it is 61 years old, older than the West Virginia average of 44.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 6% of them trucks, projected to reach 180 by 2042. The structure is 65 ft (19.8 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty Route 15
CrossesBluestone River
Location1.15 Mi. E. of CR 120
RouteCounty Highway 1500
Coordinates37.33569, -81.29082
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating27 US tons
Inventory rating16 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans1 (+1 approach)
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span31 ft (9.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic180 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 15 over Bluestone River built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1988.

What condition is County Route 15 over Bluestone River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does County Route 15 over Bluestone River carry?

About 150 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is County Route 15 over Bluestone River?

The structure is 65 ft (19.8 m) long with a longest span of 31 ft (9.6 m) and a deck 16 ft wide.

Who owns County Route 15 over Bluestone River?

It is owned by the State Highway Agency.