US Bridges

Wimmer Mtn Road over Key Run

Good

Highland County, Virginia · 0.15 Rt 650 -00.25 Rt 642 · Structure no. 000000000023841

Built
1993
32 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
192
2021 count
Owner
State
State Highway Agency

About this bridge

Wimmer Mtn Road over Key Run is a concrete slab carrying Wimmer Mtn Road over Key Run in Highland County, Virginia. It was built in 1993, so it is 32 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 192 vehicles a day, projected to reach 215 by 2042. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesWimmer Mtn Road
CrossesKey Run
Location0.15 Rt 650 -00.25 Rt 642
RouteCounty Highway 640
CountyHighland County
StateVirginia
Coordinates38.50144, -79.54809
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.2 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20 + Mod
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic192 (2021)
Projected traffic215 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Wimmer Mtn Road over Key Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is Wimmer Mtn Road over Key Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Wimmer Mtn Road over Key Run carry?

About 192 vehicles per day (2021 count).

How long is Wimmer Mtn Road over Key Run?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 28 ft wide.

Who owns Wimmer Mtn Road over Key Run?

It is owned by the State Highway Agency.