US Bridges

Harpers Ferry Road over Piney Run

Fair

Loudoun County, Virginia · 00.40FR825/00.01TO683 · Structure no. 000000000011243

Built
1947
78 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
2,114
2022 count
Owner
State
State Highway Agency

About this bridge

Harpers Ferry Road over Piney Run is a prestressed concrete box beam or girders - multiple carrying Harpers Ferry Road over Piney Run in Loudoun County, Virginia. It was built in 1947, so it is 78 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 2,114 vehicles a day, roughly 1% of them trucks, projected to reach 2,357 by 2045. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesHarpers Ferry Road
CrossesPiney Run
Location00.40FR825/00.01TO683
RouteCounty Highway 671
CountyLoudoun County
StateVirginia
Coordinates39.31087, -77.71866
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating60.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,114 (2022)
Projected traffic2,357 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$25 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Harpers Ferry Road over Piney Run built?

It was built in 1947, making it 78 years old in 2025.

What condition is Harpers Ferry Road over Piney 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 February 2023.

How much traffic does Harpers Ferry Road over Piney Run carry?

About 2,114 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Harpers Ferry Road over Piney Run?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Harpers Ferry Road over Piney Run?

It is owned by the State Highway Agency.