US Bridges

Harrison CO Rt 12 over Coons Run

Fair

Harrison County, West Virginia · 0.31 MI East CO Rt 12/12 · Structure no. 00000000017A058

Built
1920
105 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
20 ft
1 main span
Daily traffic
750
2020 count
Owner
State
State Highway Agency

About this bridge

Harrison CO Rt 12 over Coons Run is a concrete arch - deck carrying Harrison CO Rt 12 over Coons Run in Harrison 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 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 750 vehicles a day, roughly 8% of them trucks, projected to reach 1,025 by 2041. The structure is 20 ft (6.2 m) long and 18 ft wide.

CarriesHarrison CO Rt 12
CrossesCoons Run
Location0.31 MI East CO Rt 12/12
RouteCounty Highway 1200
Coordinates39.41237, -80.24704
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
Superstructure5 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 inspectionMarch 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating24 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,025 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-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$349,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison CO Rt 12 over Coons Run built?

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

What condition is Harrison CO Rt 12 over Coons Run 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 March 2023.

How much traffic does Harrison CO Rt 12 over Coons Run carry?

About 750 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Harrison CO Rt 12 over Coons Run?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 18 ft wide.

Who owns Harrison CO Rt 12 over Coons Run?

It is owned by the State Highway Agency.