US Bridges

County Route 20 over Spruce Fork

Fair

Boone County, West Virginia · 0.01 MI W of Wv 17 · Structure no. 00000000003A060

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
1 main span
Daily traffic
650
2022 count
Owner
State
State Highway Agency

About this bridge

County Route 20 over Spruce Fork is a steel continuous stringer/multi-beam or girder carrying County Route 20 over Spruce Fork in Boone County, West Virginia. It was built in 1985, so it is 40 years old, younger 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.

It carries about 650 vehicles a day, roughly 8% of them trucks, projected to reach 858 by 2042. The structure is 209 ft (63.8 m) long and 29 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesCounty Route 20
CrossesSpruce Fork
Location0.01 MI W of Wv 17
RouteCounty Highway 2000
CountyBoone County
StateWest Virginia
Coordinates37.98581, -81.82269
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length209 ft (63.8 m)
Longest span84 ft (25.6 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2022)
Projected traffic858 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$425,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 20 over Spruce Fork built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Route 20 over Spruce Fork 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 County Route 20 over Spruce Fork carry?

About 650 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is County Route 20 over Spruce Fork?

The structure is 209 ft (63.8 m) long with a longest span of 84 ft (25.6 m) and a deck 29 ft wide.

Who owns County Route 20 over Spruce Fork?

It is owned by the State Highway Agency.