US Bridges

West Virginia 31 over Back Run

Good

Ritchie County, West Virginia · 0.02 North of CR 31/13 · Structure no. 00000000043A180

Built
2000
25 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
700
2019 count
Owner
State
State Highway Agency

About this bridge

West Virginia 31 over Back Run is a prestressed concrete box beam or girders - multiple carrying West Virginia 31 over Back Run in Ritchie County, West Virginia. It was built in 2000, so it is 25 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 700 vehicles a day, roughly 9% of them trucks, projected to reach 798 by 2039. The structure is 52 ft (15.8 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesWest Virginia 31
CrossesBack Run
Location0.02 North of CR 31/13
RouteState Highway 31
CountyRitchie County
StateWest Virginia
Coordinates39.20325, -81.0578
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2019)
Projected traffic798 by 2039
Trucks9%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was West Virginia 31 over Back Run built?

It was built in 2000, making it 25 years old in 2025.

What condition is West Virginia 31 over Back 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 October 2022.

How much traffic does West Virginia 31 over Back Run carry?

About 700 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is West Virginia 31 over Back Run?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.

Who owns West Virginia 31 over Back Run?

It is owned by the State Highway Agency.