US Bridges

Dunlap Creek Road over Moss Run

Fair

Alleghany County, Virginia · 6.00 to 717 & 0.10 to 665 · Structure no. 000000000001030

Built
1928
97 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
649
2022 count
Owner
State
State Highway Agency

About this bridge

Dunlap Creek Road over Moss Run is a prestressed concrete box beam or girders - multiple carrying Dunlap Creek Road over Moss Run in Alleghany County, Virginia. It was built in 1928 and reconstructed in 1995, so it is 97 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 649 vehicles a day, roughly 1% of them trucks, projected to reach 724 by 2042. The structure is 49 ft (14.9 m) long and 36 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesDunlap Creek Road
CrossesMoss Run
Location6.00 to 717 & 0.10 to 665
RouteState Highway 159
Coordinates37.78663, -80.10224
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.9 US tons
Inventory rating70 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length49 ft (14.9 m)
Longest span49 ft (14.9 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic649 (2022)
Projected traffic724 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Dunlap Creek Road over Moss Run built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1995.

What condition is Dunlap Creek Road over Moss 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 December 2023.

How much traffic does Dunlap Creek Road over Moss Run carry?

About 649 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Dunlap Creek Road over Moss Run?

The structure is 49 ft (14.9 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns Dunlap Creek Road over Moss Run?

It is owned by the State Highway Agency.