US Bridges

Marion CO Rt 13 over Flat Run

Good

Marion County, West Virginia · 0.04 MI South CO Rt 12 · Structure no. 00000000025A226

Built
1996
29 years old
Condition
Good
inspected January 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
1,100
2019 count
Owner
State
State Highway Agency

About this bridge

Marion CO Rt 13 over Flat Run is a prestressed concrete box beam or girders - multiple carrying Marion CO Rt 13 over Flat 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 1,100 vehicles a day, roughly 9% of them trucks, projected to reach 1,350 by 2039. The structure is 31 ft (9.4 m) long and 25 ft wide.

CarriesMarion CO Rt 13
CrossesFlat Run
Location0.04 MI South CO Rt 12
RouteCounty Highway 1300
Coordinates39.57529, -80.34377
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span26 ft (7.9 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2019)
Projected traffic1,350 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Marion CO Rt 13 over Flat Run built?

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

What condition is Marion CO Rt 13 over Flat 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 January 2021.

How much traffic does Marion CO Rt 13 over Flat Run carry?

About 1,100 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Marion CO Rt 13 over Flat Run?

The structure is 31 ft (9.4 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.

Who owns Marion CO Rt 13 over Flat Run?

It is owned by the State Highway Agency.