US Bridges

Valley Ridge Road over Karnes Creek

Good

Alleghany County, Virginia · .27 to 696 & 1.08 to 1107 · Structure no. 000000000001214

Built
1964
61 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
100 ft
3 main spans
Daily traffic
3,079
2022 count
Owner
State
State Highway Agency

About this bridge

Valley Ridge Road over Karnes Creek is a concrete tee beam carrying Valley Ridge Road over Karnes Creek in Alleghany County, Virginia. It was built in 1964, so it is 61 years old, older 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 3,079 vehicles a day, roughly 3% of them trucks, projected to reach 4,495 by 2045. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesValley Ridge Road
CrossesKarnes Creek
Location.27 to 696 & 1.08 to 1107
RouteCounty Highway 1101
Coordinates37.79066, -79.88973
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length100 ft (30.5 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,079 (2022)
Projected traffic4,495 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$290 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Valley Ridge Road over Karnes Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Valley Ridge Road over Karnes Creek 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 October 2023.

How much traffic does Valley Ridge Road over Karnes Creek carry?

About 3,079 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Valley Ridge Road over Karnes Creek?

The structure is 100 ft (30.5 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns Valley Ridge Road over Karnes Creek?

It is owned by the State Highway Agency.