US Bridges

Plank Road over Mill Run

Fair

Southampton County, Virginia · 0.50 Miles to Rte. 628 · Structure no. 000000000017722

Built
1921
104 years old, rebuilt 1998
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
2 main spans
Daily traffic
2,730
2022 count
Owner
State
State Highway Agency

About this bridge

Plank Road over Mill Run is a steel stringer/multi-beam or girder carrying Plank Road over Mill Run in Southampton County, Virginia. It was built in 1921 and reconstructed in 1998, so it is 104 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 2,730 vehicles a day, roughly 1% of them trucks, projected to reach 2,795 by 2042. The structure is 84 ft (25.6 m) long and 43 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesPlank Road
CrossesMill Run
Location0.50 Miles to Rte. 628
RouteState Highway 35
Coordinates36.76976, -77.095
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.7 US tons
Inventory rating56.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length84 ft (25.6 m)
Longest span42 ft (12.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,730 (2022)
Projected traffic2,795 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Plank Road over Mill Run built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1998.

What condition is Plank Road over Mill 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 April 2024.

How much traffic does Plank Road over Mill Run carry?

About 2,730 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Plank Road over Mill Run?

The structure is 84 ft (25.6 m) long with a longest span of 42 ft (12.8 m) and a deck 43 ft wide.

Who owns Plank Road over Mill Run?

It is owned by the State Highway Agency.