US Bridges

Stonewall Lane over Dunlap Creek

Fair

Alleghany County, Virginia · 0.08 to End & 0.10 to 159 · Structure no. 000000000031795

Built
2023
2 years old
Condition
Fair
inspected April 2024
Type
Truss - Thru
Steel
Length
200 ft
2 main spans
Daily traffic
10
2020 count
Owner
State
State Highway Agency

About this bridge

Stonewall Lane over Dunlap Creek is a steel truss - thru carrying Stonewall Lane over Dunlap Creek in Alleghany County, Virginia. It was built in 2023, so it is 2 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, temporary structure in place while original is closed.

It carries about 10 vehicles a day, projected to reach 11 by 2045. The structure is 200 ft (61 m) long and 12 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesStonewall Lane
CrossesDunlap Creek
Location0.08 to End & 0.10 to 159
RouteCounty Highway 710
Coordinates37.80694, -80.06237
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans2
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span150 ft (45.7 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic11 by 2045
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$140 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Stonewall Lane over Dunlap Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Stonewall Lane over Dunlap 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 2024.

How much traffic does Stonewall Lane over Dunlap Creek carry?

About 10 vehicles per day (2020 count).

How long is Stonewall Lane over Dunlap Creek?

The structure is 200 ft (61 m) long with a longest span of 150 ft (45.7 m) and a deck 12 ft wide.

Who owns Stonewall Lane over Dunlap Creek?

It is owned by the State Highway Agency.