US Bridges

Black Jack Road over Potato Run

Good

Culpeper County, Virginia · .49 from 723 & .01 to 662 · Structure no. 000000000023508

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
161
2014 count
Owner
State
State Highway Agency

About this bridge

Black Jack Road over Potato Run is a prestressed concrete slab carrying Black Jack Road over Potato Run in Culpeper County, Virginia. It was built in 1992, so it is 33 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 161 vehicles a day, projected to reach 260 by 2042. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBlack Jack Road
CrossesPotato Run
Location.49 from 723 & .01 to 662
RouteCounty Highway 661
Coordinates38.41542, -77.91631
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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating73 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2014)
Projected traffic260 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Black Jack Road over Potato Run built?

It was built in 1992, making it 33 years old in 2025.

What condition is Black Jack Road over Potato 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 October 2024.

How much traffic does Black Jack Road over Potato Run carry?

About 161 vehicles per day (2014 count).

How long is Black Jack Road over Potato Run?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 28 ft wide.

Who owns Black Jack Road over Potato Run?

It is owned by the State Highway Agency.