US Bridges

Marion CO Rt 13 over Flat Run

FairPosted for load

Marion County, West Virginia · 0.08 MI South CO Rt 13/3 · Structure no. 00000000025A017

Built
1914
111 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
30 ft
1 main span
Daily traffic
1,000
2022 count
Owner
State
State Highway Agency

About this bridge

Marion CO Rt 13 over Flat Run is a concrete tee beam carrying Marion CO Rt 13 over Flat Run in Marion County, West Virginia. It was built in 1914, so it is 111 years old, older than the West Virginia average of 44.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 1,560 by 2041. The structure is 30 ft (9.1 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesMarion CO Rt 13
CrossesFlat Run
Location0.08 MI South CO Rt 13/3
RouteCounty Highway 1300
CountyMarion County
StateWest Virginia
Coordinates39.57868, -80.344
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,560 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$571,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marion CO Rt 13 over Flat Run built?

It was built in 1914, making it 111 years old in 2025.

What condition is Marion CO Rt 13 over Flat Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

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

About 1,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Marion CO Rt 13 over Flat Run?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.

Who owns Marion CO Rt 13 over Flat Run?

It is owned by the State Highway Agency.