US Bridges

CO 151 Sls over Mill Race

Fair

Upshur County, West Virginia · 0.68 MI E of Wv 20 F · Structure no. 00000000049A069

Built
1922
103 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
55 ft
1 main span
Daily traffic
2,700
2018 count
Owner
State
State Highway Agency

About this bridge

CO 151 Sls over Mill Race is a concrete arch - deck carrying CO 151 Sls over Mill Race in Upshur County, West Virginia. It was built in 1922, so it is 103 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 2,700 vehicles a day, roughly 12% of them trucks, projected to reach 2,970 by 2038. The structure is 55 ft (16.9 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCO 151 Sls
CrossesMill Race
Location0.68 MI E of Wv 20 F
RouteCounty Highway 15100
CountyUpshur County
StateWest Virginia
Coordinates38.99556, -80.2205
Functional classUrban 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
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating26 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length55 ft (16.9 m)
Longest span50 ft (15.2 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2018)
Projected traffic2,970 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 151 Sls over Mill Race built?

It was built in 1922, making it 103 years old in 2025.

What condition is CO 151 Sls over Mill Race 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 March 2023.

How much traffic does CO 151 Sls over Mill Race carry?

About 2,700 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is CO 151 Sls over Mill Race?

The structure is 55 ft (16.9 m) long with a longest span of 50 ft (15.2 m) and a deck 38 ft wide.

Who owns CO 151 Sls over Mill Race?

It is owned by the State Highway Agency.