US Bridges

CO 12/1 over Allen Creek

PoorPosted for load

Wyoming County, West Virginia · 0.08 Mi. N. of Co. 12/15 · Structure no. 00000000055A055

Built
1920
105 years old
Condition
Poor
inspected August 2024
Type
Arch - Thru
Concrete
Length
33 ft
1 main span
Daily traffic
200
2023 count
Owner
State
State Highway Agency

About this bridge

CO 12/1 over Allen Creek is a concrete arch - thru carrying CO 12/1 over Allen Creek in Wyoming County, West Virginia. It was built in 1920, so it is 105 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 200 vehicles a day, roughly 7% of them trucks, projected to reach 210 by 2043. The structure is 33 ft (10.1 m) long and 14 ft wide.

CarriesCO 12/1
CrossesAllen Creek
Location0.08 Mi. N. of Co. 12/15
RouteCounty Highway 1201
Coordinates37.60365, -81.34362
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating3 US tons
Inventory rating2 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.2 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic210 by 2043
Trucks7%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$550,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 12/1 over Allen Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is CO 12/1 over Allen Creek 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 12/1 over Allen Creek carry?

About 200 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is CO 12/1 over Allen Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.2 m) and a deck 14 ft wide.

Who owns CO 12/1 over Allen Creek?

It is owned by the State Highway Agency.