US Bridges

County Route 71/4 over Bluestone River

Fair

Mercer County, West Virginia · 0.01 Miles S of Co. 71/13 · Structure no. 00000000028A338

Built
2020
5 years old
Condition
Fair
inspected December 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
40
2020 count
Owner
State
State Highway Agency

About this bridge

County Route 71/4 over Bluestone River is a prestressed concrete box beam or girders - multiple carrying County Route 71/4 over Bluestone River in Mercer County, West Virginia. It was built in 2020, so it is 5 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 103 ft (31.5 m) long and 22 ft wide.

Location

Open in Google Maps
CarriesCounty Route 71/4
CrossesBluestone River
Location0.01 Miles S of Co. 71/13
RouteCounty Highway 714
CountyMercer County
StateWest Virginia
Coordinates37.38307, -81.19047
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98 US tons
Inventory rating81 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length103 ft (31.5 m)
Longest span100 ft (30.5 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic48 by 2040
Trucks6%
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 Route 71/4 over Bluestone River built?

It was built in 2020, making it 5 years old in 2025.

What condition is County Route 71/4 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 December 2022.

How much traffic does County Route 71/4 over Bluestone River carry?

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

How long is County Route 71/4 over Bluestone River?

The structure is 103 ft (31.5 m) long with a longest span of 100 ft (30.5 m) and a deck 22 ft wide.

Who owns County Route 71/4 over Bluestone River?

It is owned by the State Highway Agency.