US Bridges

CO 10/25 over Righthand Fork

PoorPosted for load

Mercer County, West Virginia · 0.05 Mile East of Wv 10 · Structure no. 00000000028A189

Built
1936
89 years old, rebuilt 1997
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
90
2022 count
Owner
State
State Highway Agency

About this bridge

CO 10/25 over Righthand Fork is a steel stringer/multi-beam or girder carrying CO 10/25 over Righthand Fork in Mercer County, West Virginia. It was built in 1936 and reconstructed in 1997, 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 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 90 vehicles a day, roughly 6% of them trucks, projected to reach 108 by 2042. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCO 10/25
CrossesRighthand Fork
Location0.05 Mile East of Wv 10
RouteCounty Highway 1025
Coordinates37.41757, -81.24492
Functional classRural Local

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
Deck7 GoodSome minor problems.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29 US tons
Inventory rating17 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span38 ft (11.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic108 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$550,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 10/25 over Righthand Fork built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1997.

What condition is CO 10/25 over Righthand Fork 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 August 2024.

How much traffic does CO 10/25 over Righthand Fork carry?

About 90 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is CO 10/25 over Righthand Fork?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.7 m) and a deck 16 ft wide.

Who owns CO 10/25 over Righthand Fork?

It is owned by the State Highway Agency.