US Bridges

Rich Patch Road over Karnes Creek

Fair

Alleghany County, Virginia · 0.35 to 622 - .65 to 621 · Structure no. 000000000028109

Built
2004
21 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
567
2022 count
Owner
State
State Highway Agency

About this bridge

Rich Patch Road over Karnes Creek is a prestressed concrete slab carrying Rich Patch Road over Karnes Creek in Alleghany County, Virginia. It was built in 2004, so it is 21 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 567 vehicles a day, projected to reach 632 by 2045. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesRich Patch Road
CrossesKarnes Creek
Location0.35 to 622 - .65 to 621
RouteCounty Highway 616
Coordinates37.734, -79.91389
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.3 US tons
Inventory rating64.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic567 (2022)
Projected traffic632 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rich Patch Road over Karnes Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Rich Patch Road over Karnes 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 April 2023.

How much traffic does Rich Patch Road over Karnes Creek carry?

About 567 vehicles per day (2022 count).

How long is Rich Patch Road over Karnes Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Rich Patch Road over Karnes Creek?

It is owned by the State Highway Agency.