US Bridges

CO 9/7 over Dry Fork

FairPosted for load

McDowell County, West Virginia · 0.01 MI N of CR 9 · Structure no. 00000000024A233

Built
1936
89 years old, rebuilt 1984
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
20
2023 count
Owner
State
State Highway Agency

About this bridge

CO 9/7 over Dry Fork is a steel stringer/multi-beam or girder carrying CO 9/7 over Dry Fork in McDowell County, West Virginia. It was built in 1936 and reconstructed in 1984, 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 9% of them trucks, projected to reach 21 by 2043. The structure is 56 ft (17.1 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCO 9/7
CrossesDry Fork
Location0.01 MI N of CR 9
RouteCounty Highway 907
CountyMcDowell County
StateWest Virginia
Coordinates37.26781, -81.66731
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating98 US tons
Inventory rating79 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic21 by 2043
Trucks9%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$500,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 9/7 over Dry Fork built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1984.

What condition is CO 9/7 over Dry 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 August 2023.

How much traffic does CO 9/7 over Dry Fork carry?

About 20 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is CO 9/7 over Dry Fork?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 12 ft wide.

Who owns CO 9/7 over Dry Fork?

It is owned by the State Highway Agency.