US Bridges

Kirby Road / FO47 over Br. of Little Pine Run

Good

Pulaski County, Virginia · 0.01-WYTHE Co; 0.50-RT654 · Structure no. 000000000014446

Built
1932
93 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
643
2014 count
Owner
State
State Highway Agency

About this bridge

Kirby Road / FO47 over Br. of Little Pine Run is a concrete culvert carrying Kirby Road / FO47 over Br. of Little Pine Run in Pulaski County, Virginia. It was built in 1932, so it is 93 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 643 vehicles a day, projected to reach 816 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKirby Road / FO47
CrossesBr. of Little Pine Run
Location0.01-WYTHE Co; 0.50-RT654
RouteCity Street 0F047
CountyPulaski County
StateVirginia
Coordinates36.97766, -80.83462
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic643 (2014)
Projected traffic816 by 2042
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Kirby Road / FO47 over Br. of Little Pine Run built?

It was built in 1932, making it 93 years old in 2025.

What condition is Kirby Road / FO47 over Br. of Little Pine 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 May 2023.

How much traffic does Kirby Road / FO47 over Br. of Little Pine Run carry?

About 643 vehicles per day (2014 count).

How long is Kirby Road / FO47 over Br. of Little Pine Run?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m).

Who owns Kirby Road / FO47 over Br. of Little Pine Run?

It is owned by the State Highway Agency.