US Bridges

Marion CO Rt 31/1 over Robinson Run

Good

Marion County, West Virginia · 0.41 MI North CO Rt 31/17 · Structure no. 00000000025A221

Built
1996
29 years old
Condition
Good
inspected June 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
200
2022 count
Owner
State
State Highway Agency

About this bridge

Marion CO Rt 31/1 over Robinson Run is a concrete frame carrying Marion CO Rt 31/1 over Robinson Run in Marion County, West Virginia. It was built in 1996, so it is 29 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 310 by 2041. The structure is 24 ft (7.3 m) long and 16 ft wide.

CarriesMarion CO Rt 31/1
CrossesRobinson Run
Location0.41 MI North CO Rt 31/17
RouteCounty Highway 3101
Coordinates39.44614, -80.12981
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating98 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span21 ft (6.5 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic310 by 2041
Trucks8%
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 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 Marion CO Rt 31/1 over Robinson Run built?

It was built in 1996, making it 29 years old in 2025.

What condition is Marion CO Rt 31/1 over Robinson 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 June 2024.

How much traffic does Marion CO Rt 31/1 over Robinson Run carry?

About 200 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Marion CO Rt 31/1 over Robinson Run?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.5 m) and a deck 16 ft wide.

Who owns Marion CO Rt 31/1 over Robinson Run?

It is owned by the State Highway Agency.