US Bridges

Ramp "g" over Horsepen Run

Good

Loudoun County, Virginia · 0.74 Miles from Dulles Ac · Structure no. 2100034P0000000

Built
1995
30 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
302 ft
3 main spans
Daily traffic
1,500
2024 count
Owner
Federal
Metropolitan Washington Airports Service

About this bridge

Ramp "g" over Horsepen Run is a steel continuous stringer/multi-beam or girder carrying Ramp "g" over Horsepen Run in Loudoun County, Virginia. It was built in 1995, so it is 30 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 2,000 by 2044. The structure is 302 ft (92.1 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesRamp "g"
CrossesHorsepen Run
Location0.74 Miles from Dulles Ac
CountyLoudoun County
StateVirginia
Coordinates38.96647, -77.43578
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length302 ft (92.1 m)
Longest span116 ft (35.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic2,000 by 2044
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$53,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp "g" over Horsepen Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is Ramp "g" over Horsepen Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

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

About 1,500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Ramp "g" over Horsepen Run?

The structure is 302 ft (92.1 m) long with a longest span of 116 ft (35.4 m) and a deck 33 ft wide.

Who owns Ramp "g" over Horsepen Run?

It is owned by the Metropolitan Washington Airports Service.