US Bridges

Marion CO Rt 13 over Flat Run

Good

Marion County, West Virginia · 0.01 MI South Mrn CO 13/1 · Structure no. 00000000025A256

Built
2005
20 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
950
2022 count
Owner
State
State Highway Agency

About this bridge

Marion CO Rt 13 over Flat Run is a concrete continuous culvert carrying Marion CO Rt 13 over Flat Run in Marion County, West Virginia. It was built in 2005, so it is 20 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 950 vehicles a day, roughly 8% of them trucks, projected to reach 1,480 by 2041. The structure is 41 ft (12.6 m) long.

CarriesMarion CO Rt 13
CrossesFlat Run
Location0.01 MI South Mrn CO 13/1
RouteCounty Highway 1300
Coordinates39.56425, -80.34331
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length41 ft (12.6 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2022)
Projected traffic1,480 by 2041
Trucks8%
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 2005, making it 20 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 August 2023.

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

About 950 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Marion CO Rt 13 over Flat Run?

The structure is 41 ft (12.6 m) long with a longest span of 20 ft (6.1 m).

Who owns Marion CO Rt 13 over Flat Run?

It is owned by the State Highway Agency.