US Bridges

Old Office Road over Black Walnut Run

Fair

Orange County, Virginia · 1.00 from 622 &.50 to 692 · Structure no. 000000000012960

Built
1942
83 years old, rebuilt 1993
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
2 main spans
Daily traffic
106
2017 count
Owner
State
State Highway Agency

About this bridge

Old Office Road over Black Walnut Run is a steel stringer/multi-beam or girder carrying Old Office Road over Black Walnut Run in Orange County, Virginia. It was built in 1942 and reconstructed in 1993, so it is 83 years old, older 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 6 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 106 vehicles a day, projected to reach 165 by 2042. The structure is 46 ft (14 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Office Road
CrossesBlack Walnut Run
Location1.00 from 622 &.50 to 692
RouteCounty Highway 602
Coordinates38.30619, -77.8819
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length46 ft (14 m)
Longest span23 ft (7 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic106 (2017)
Projected traffic165 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$200 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Office Road over Black Walnut Run built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1993.

What condition is Old Office Road over Black Walnut Run 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 May 2024.

How much traffic does Old Office Road over Black Walnut Run carry?

About 106 vehicles per day (2017 count).

How long is Old Office Road over Black Walnut Run?

The structure is 46 ft (14 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns Old Office Road over Black Walnut Run?

It is owned by the State Highway Agency.