US Bridges

County Route 21/9 over Upper Mill Creek

FairPosted for load

Braxton County, West Virginia · 0.06 MI W of CO 21 · Structure no. 00000000004A138

Built
1978
47 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
29 ft
1 main span
Daily traffic
10
2018 count
Owner
State
State Highway Agency

About this bridge

County Route 21/9 over Upper Mill Creek is a steel continuous stringer/multi-beam or girder carrying County Route 21/9 over Upper Mill Creek in Braxton County, West Virginia. It was built in 1978, so it is 47 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 6 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 10 vehicles a day, roughly 6% of them trucks, projected to reach 14 by 2038. The structure is 29 ft (8.8 m) long and 12 ft wide.

CarriesCounty Route 21/9
CrossesUpper Mill Creek
Location0.06 MI W of CO 21
RouteCounty Highway 2109
Coordinates38.62091, -80.84409
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37 US tons
Inventory rating20 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span19 ft (5.7 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic14 by 2038
Trucks6%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 County Route 21/9 over Upper Mill Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Route 21/9 over Upper Mill Creek 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 January 2025.

How much traffic does County Route 21/9 over Upper Mill Creek carry?

About 10 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is County Route 21/9 over Upper Mill Creek?

The structure is 29 ft (8.8 m) long with a longest span of 19 ft (5.7 m) and a deck 12 ft wide.

Who owns County Route 21/9 over Upper Mill Creek?

It is owned by the State Highway Agency.