US Bridges

Ashburn Road over Beaverdam Run

Fair

Loudoun County, Virginia · 00.34FR.677/00.62TO640 · Structure no. 000000000011208

Built
1959
66 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
115 ft
3 main spans
Daily traffic
6,010
2022 count
Owner
State
State Highway Agency

About this bridge

Ashburn Road over Beaverdam Run is a concrete tee beam carrying Ashburn Road over Beaverdam Run in Loudoun County, Virginia. It was built in 1959, so it is 66 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 5 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 6,010 vehicles a day, roughly 1% of them trucks, projected to reach 8,775 by 2042. The structure is 115 ft (35.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAshburn Road
CrossesBeaverdam Run
Location00.34FR.677/00.62TO640
RouteCounty Highway 641
Coordinates39.03568, -77.48508
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.1 US tons
Inventory rating41.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length115 ft (35.1 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,010 (2022)
Projected traffic8,775 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$340 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ashburn Road over Beaverdam Run built?

It was built in 1959, making it 66 years old in 2025.

What condition is Ashburn Road over Beaverdam 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 2024.

How much traffic does Ashburn Road over Beaverdam Run carry?

About 6,010 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Ashburn Road over Beaverdam Run?

The structure is 115 ft (35.1 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns Ashburn Road over Beaverdam Run?

It is owned by the State Highway Agency.