US Bridges

Mon. Co. 7/70 over CR 857 & Hartman Run____

Good

Monongalia County, West Virginia · 0.15 MI E of Mon. Co. 857 · Structure no. 00000000031A907

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
305 ft
1 main span
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

Mon. Co. 7/70 over CR 857 & Hartman Run____ is a prestressed concrete continuous stringer/multi-beam or girder carrying Mon. Co. 7/70 over CR 857 & Hartman Run____ in Monongalia County, West Virginia. It was built in 2015, so it is 10 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 3,100 by 2041. The structure is 305 ft (93 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMon. Co. 7/70
CrossesCR 857 & Hartman Run____
Location0.15 MI E of Mon. Co. 857
RouteCounty Highway 770
CountyMonongalia County
StateWest Virginia
Coordinates39.63088, -79.92968
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length305 ft (93 m)
Longest span120 ft (36.6 m)
Deck width38 ft (11.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,100 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 Mon. Co. 7/70 over CR 857 & Hartman Run____ built?

It was built in 2015, making it 10 years old in 2025.

What condition is Mon. Co. 7/70 over CR 857 & Hartman Run____ in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Mon. Co. 7/70 over CR 857 & Hartman Run____ carry?

About 2,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Mon. Co. 7/70 over CR 857 & Hartman Run____?

The structure is 305 ft (93 m) long with a longest span of 120 ft (36.6 m) and a deck 38 ft wide.

Who owns Mon. Co. 7/70 over CR 857 & Hartman Run____?

It is owned by the State Highway Agency.