US Bridges

Mar CO Rt 1 over Dents Run

Fair

Marion County, West Virginia · 0.11 W of Mar CO 5 · Structure no. 00000000025A277

Built
2019
6 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

Mar CO Rt 1 over Dents Run is a prestressed concrete box beam or girders - multiple carrying Mar CO Rt 1 over Dents Run in Marion County, West Virginia. It was built in 2019, so it is 6 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 6 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 2,400 vehicles a day, roughly 8% of them trucks, projected to reach 3,745 by 2041. The structure is 29 ft (8.7 m) long and 23 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesMar CO Rt 1
CrossesDents Run
Location0.11 W of Mar CO 5
RouteCounty Highway 1
Coordinates39.52639, -80.36683
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85 US tons
Inventory rating66 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic3,745 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mar CO Rt 1 over Dents Run built?

It was built in 2019, making it 6 years old in 2025.

What condition is Mar CO Rt 1 over Dents 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 December 2023.

How much traffic does Mar CO Rt 1 over Dents Run carry?

About 2,400 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Mar CO Rt 1 over Dents Run?

The structure is 29 ft (8.7 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Mar CO Rt 1 over Dents Run?

It is owned by the State Highway Agency.