US Bridges

CO 8/1 Sls over Mountain Run

PoorPosted for load

Morgan County, West Virginia · 0.02 MI S of CR 8/8 Sls · Structure no. 00000000033A014

Built
1941
84 years old, rebuilt 1988
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
90
2022 count
Owner
State
State Highway Agency

About this bridge

CO 8/1 Sls over Mountain Run is a steel stringer/multi-beam or girder carrying CO 8/1 Sls over Mountain Run in Morgan County, West Virginia. It was built in 1941 and reconstructed in 1988, so it is 84 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, projected to reach 106 by 2042. The structure is 41 ft (12.5 m) long and 19 ft wide.

Location

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CarriesCO 8/1 Sls
CrossesMountain Run
Location0.02 MI S of CR 8/8 Sls
RouteCounty Highway 801
CountyMorgan County
StateWest Virginia
Coordinates39.5761, -78.17008
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span37 ft (11.4 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2022)
Projected traffic106 by 2042
Trucks0%
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$185,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 8/1 Sls over Mountain Run built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1988.

What condition is CO 8/1 Sls over Mountain Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does CO 8/1 Sls over Mountain Run carry?

About 90 vehicles per day (2022 count).

How long is CO 8/1 Sls over Mountain Run?

The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.4 m) and a deck 19 ft wide.

Who owns CO 8/1 Sls over Mountain Run?

It is owned by the State Highway Agency.