US Bridges

County Route 20 over Tanner Creek

Fair

Gilmer County, West Virginia · 0.01 MI E of CO 7 · Structure no. 00000000011A050

Built
1944
81 years old
Condition
Fair
inspected January 2023
Type
Frame
Concrete
Length
79 ft
1 main span
Daily traffic
750
2018 count
Owner
State
State Highway Agency

About this bridge

County Route 20 over Tanner Creek is a concrete frame carrying County Route 20 over Tanner Creek in Gilmer County, West Virginia. It was built in 1944, so it is 81 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 750 vehicles a day, roughly 9% of them trucks, projected to reach 1,140 by 2038. The structure is 79 ft (24.2 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesCounty Route 20
CrossesTanner Creek
Location0.01 MI E of CO 7
RouteCounty Highway 2000
CountyGilmer County
StateWest Virginia
Coordinates38.98136, -80.94905
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length79 ft (24.2 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2018)
Projected traffic1,140 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$800,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 20 over Tanner Creek built?

It was built in 1944, making it 81 years old in 2025.

What condition is County Route 20 over Tanner 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 2023.

How much traffic does County Route 20 over Tanner Creek carry?

About 750 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is County Route 20 over Tanner Creek?

The structure is 79 ft (24.2 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns County Route 20 over Tanner Creek?

It is owned by the State Highway Agency.