US Bridges

Selma Low Moor RD over Karnes Creek

Good

Alleghany County, Virginia · 0.03RT616-0.12RT1312 · Structure no. 000000000029867

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
1,320
2022 count
Owner
State
State Highway Agency

About this bridge

Selma Low Moor RD over Karnes Creek is a prestressed concrete box beam or girders - multiple carrying Selma Low Moor RD over Karnes Creek in Alleghany County, Virginia. It was built in 2021, so it is 4 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 1,320 vehicles a day, projected to reach 1,472 by 2045. The structure is 66 ft (20.1 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSelma Low Moor RD
CrossesKarnes Creek
Location0.03RT616-0.12RT1312
RouteCounty Highway 696
Coordinates37.78902, -79.88421
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length66 ft (20.1 m)
Longest span66 ft (20.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,320 (2022)
Projected traffic1,472 by 2045
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Selma Low Moor RD over Karnes Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Selma Low Moor RD 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 March 2023.

How much traffic does Selma Low Moor RD over Karnes Creek carry?

About 1,320 vehicles per day (2022 count).

How long is Selma Low Moor RD over Karnes Creek?

The structure is 66 ft (20.1 m) long with a longest span of 66 ft (20.1 m) and a deck 44 ft wide.

Who owns Selma Low Moor RD over Karnes Creek?

It is owned by the State Highway Agency.