US Bridges

CO 12/4 over Dry Fork

Fair

McDowell County, West Virginia · 0.01 MI South of Wv 16 · Structure no. 00000000024A294

Built
2001
24 years old
Condition
Fair
inspected February 2024
Type
Truss - Thru
Steel
Length
115 ft
1 main span
Daily traffic
2,200
2022 count
Owner
State
State Highway Agency

About this bridge

CO 12/4 over Dry Fork is a steel truss - thru carrying CO 12/4 over Dry Fork in McDowell County, West Virginia. It was built in 2001, so it is 24 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 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 2,200 vehicles a day, roughly 9% of them trucks, projected to reach 2,310 by 2042. The structure is 115 ft (35.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCO 12/4
CrossesDry Fork
Location0.01 MI South of Wv 16
RouteCounty Highway 1204
Coordinates37.30236, -81.68956
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length115 ft (35.1 m)
Longest span111 ft (33.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic2,310 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 12/4 over Dry Fork built?

It was built in 2001, making it 24 years old in 2025.

What condition is CO 12/4 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 February 2024.

How much traffic does CO 12/4 over Dry Fork carry?

About 2,200 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is CO 12/4 over Dry Fork?

The structure is 115 ft (35.1 m) long with a longest span of 111 ft (33.8 m) and a deck 28 ft wide.

Who owns CO 12/4 over Dry Fork?

It is owned by the State Highway Agency.