US Bridges

Compton Mtn Road over Slate Creek

Fair

Buchanan County, Virginia · .02FRRT83;4.48TORT628 · Structure no. 000000000003903

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
123
2015 count
Owner
State
State Highway Agency

About this bridge

Compton Mtn Road over Slate Creek is a concrete slab carrying Compton Mtn Road over Slate Creek in Buchanan County, Virginia. It was built in 1979, so it is 46 years old, younger than the Virginia average of 50.7 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 123 vehicles a day, projected to reach 141 by 2045. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCompton Mtn Road
CrossesSlate Creek
Location.02FRRT83;4.48TORT628
RouteCounty Highway 639
CountyBuchanan County
StateVirginia
Coordinates37.30653, -81.92258
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
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2015)
Projected traffic141 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Compton Mtn Road over Slate Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Compton Mtn Road over Slate 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 June 2023.

How much traffic does Compton Mtn Road over Slate Creek carry?

About 123 vehicles per day (2015 count).

How long is Compton Mtn Road over Slate Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Compton Mtn Road over Slate Creek?

It is owned by the State Highway Agency.