US Bridges

Midland Trail over Dunlap Creek

Fair

Alleghany County, Virginia · .03-ERAMP64 & .02-WRAMP64 · Structure no. 000000000001043

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
230 ft
4 main spans
Daily traffic
934
2022 count
Owner
State
State Highway Agency

About this bridge

Midland Trail over Dunlap Creek is a steel stringer/multi-beam or girder carrying Midland Trail over Dunlap Creek in Alleghany County, Virginia. It was built in 1966, so it is 59 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 934 vehicles a day, projected to reach 1,041 by 2042. The structure is 230 ft (70.1 m) long and 35 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesMidland Trail
CrossesDunlap Creek
Location.03-ERAMP64 & .02-WRAMP64
RouteState Highway 159
CountyAlleghany County
StateVirginia
Coordinates37.80763, -80.06293
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 rating63.1 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length230 ft (70.1 m)
Longest span58 ft (17.7 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic934 (2022)
Projected traffic1,041 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$135 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Midland Trail over Dunlap Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Midland Trail 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 March 2024.

How much traffic does Midland Trail over Dunlap Creek carry?

About 934 vehicles per day (2022 count).

How long is Midland Trail over Dunlap Creek?

The structure is 230 ft (70.1 m) long with a longest span of 58 ft (17.7 m) and a deck 35 ft wide.

Who owns Midland Trail over Dunlap Creek?

It is owned by the State Highway Agency.