US Bridges

County Route 10 over Back Fork of Alum Fork

FairPosted for load

Lewis County, West Virginia · 0.01 MI W CO 10/3 · Structure no. 00000000021A025

Built
1934
91 years old, rebuilt 1958
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
150
2018 count
Owner
State
State Highway Agency

About this bridge

County Route 10 over Back Fork of Alum Fork is a steel stringer/multi-beam or girder carrying County Route 10 over Back Fork of Alum Fork in Lewis County, West Virginia. It was built in 1934 and reconstructed in 1958, so it is 91 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 9% of them trucks, projected to reach 175 by 2039. The structure is 26 ft (7.9 m) long and 14 ft wide.

Location

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CarriesCounty Route 10
CrossesBack Fork of Alum Fork
Location0.01 MI W CO 10/3
RouteCounty Highway 1000
CountyLewis County
StateWest Virginia
Coordinates39.06375, -80.64225
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span22 ft (6.8 m)
Deck width14 ft (4.4 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2018)
Projected traffic175 by 2039
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$600,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 10 over Back Fork of Alum Fork built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1958.

What condition is County Route 10 over Back Fork of Alum 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 January 2024.

How much traffic does County Route 10 over Back Fork of Alum Fork carry?

About 150 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is County Route 10 over Back Fork of Alum Fork?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.8 m) and a deck 14 ft wide.

Who owns County Route 10 over Back Fork of Alum Fork?

It is owned by the State Highway Agency.