US Bridges

CO 10/27 over Righthand Fork

Fair

Mercer County, West Virginia · 0.10 Mile East of Wv 10 · Structure no. 00000000028A315

Built
1936
89 years old, rebuilt 1995
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
30
2022 count
Owner
State
State Highway Agency

About this bridge

CO 10/27 over Righthand Fork is a steel stringer/multi-beam or girder carrying CO 10/27 over Righthand Fork in Mercer County, West Virginia. It was built in 1936 and reconstructed in 1995, so it is 89 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 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 30 vehicles a day, roughly 6% of them trucks, projected to reach 36 by 2042. The structure is 36 ft (11.1 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCO 10/27
CrossesRighthand Fork
Location0.10 Mile East of Wv 10
RouteCounty Highway 1027
CountyMercer County
StateWest Virginia
Coordinates37.41892, -81.24429
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (11.1 m)
Longest span33 ft (10.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic36 by 2042
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 10/27 over Righthand Fork built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1995.

What condition is CO 10/27 over Righthand Fork 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 July 2024.

How much traffic does CO 10/27 over Righthand Fork carry?

About 30 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CO 10/27 over Righthand Fork?

The structure is 36 ft (11.1 m) long with a longest span of 33 ft (10.2 m) and a deck 16 ft wide.

Who owns CO 10/27 over Righthand Fork?

It is owned by the State Highway Agency.