US Bridges

Ramp "s" over Horsepen Run

Fair

Loudoun County, Virginia · 1.3 Miles from Dulles Air · Structure no. 2100063P0000000

Built
2007
18 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
1 main span
Daily traffic
22,000
2024 count
Owner
Federal
Metropolitan Washington Airports Service

About this bridge

Ramp "s" over Horsepen Run is a steel stringer/multi-beam or girder carrying Ramp "s" over Horsepen Run in Loudoun County, Virginia. It was built in 2007, so it is 18 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.

It carries about 22,000 vehicles a day, projected to reach 26,400 by 2044. The structure is 143 ft (43.7 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesRamp "s"
CrossesHorsepen Run
Location1.3 Miles from Dulles Air
CountyLoudoun County
StateVirginia
Coordinates38.96316, -77.4307
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length143 ft (43.7 m)
Longest span140 ft (42.7 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2024)
Projected traffic26,400 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerMetropolitan Washington Airports Service
Maintained byMetropolitan Washington Airports Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$15,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp "s" over Horsepen Run built?

It was built in 2007, making it 18 years old in 2025.

What condition is Ramp "s" over Horsepen 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 2024.

How much traffic does Ramp "s" over Horsepen Run carry?

About 22,000 vehicles per day (2024 count).

How long is Ramp "s" over Horsepen Run?

The structure is 143 ft (43.7 m) long with a longest span of 140 ft (42.7 m) and a deck 30 ft wide.

Who owns Ramp "s" over Horsepen Run?

It is owned by the Metropolitan Washington Airports Service.