US Bridges

US Route 50 over Flag Run

Fair

Preston County, West Virginia · 1.37 MI East CO Rt 50/9 · Structure no. 00000000039A185

Built
1920
105 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

US Route 50 over Flag Run is a concrete continuous culvert carrying US Route 50 over Flag Run in Preston County, West Virginia. It was built in 1920, so it is 105 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.

It carries about 1,100 vehicles a day, roughly 13% of them trucks, projected to reach 1,320 by 2041. The structure is 23 ft (6.9 m) long.

Location

Open in Google Maps
CarriesUS Route 50
CrossesFlag Run
Location1.37 MI East CO Rt 50/9
RouteU.S. Route 5000
CountyPreston County
StateWest Virginia
Coordinates39.32476, -79.72237
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,320 by 2041
Trucks13%
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$507,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US Route 50 over Flag Run built?

It was built in 1920, making it 105 years old in 2025.

What condition is US Route 50 over Flag 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 July 2023.

How much traffic does US Route 50 over Flag Run carry?

About 1,100 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US Route 50 over Flag Run?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).

Who owns US Route 50 over Flag Run?

It is owned by the State Highway Agency.