US Bridges

Dulles Greenway over Trib. Horsepen Run

Fair

Loudoun County, Virginia · 02.50FR606/01.50TO657 · Structure no. 000000000024584

Built
1994
31 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
70,185
2022 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Dulles Greenway over Trib. Horsepen Run is a concrete culvert carrying Dulles Greenway over Trib. Horsepen Run in Loudoun County, Virginia. It was built in 1994, so it is 31 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 70,185 vehicles a day, projected to reach 78,256 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDulles Greenway
CrossesTrib. Horsepen Run
Location02.50FR606/01.50TO657
RouteState Highway 267
CountyLoudoun County
StateVirginia
Coordinates38.96588, -77.43034
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,185 (2022)
Projected traffic78,256 by 2042
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Dulles Greenway over Trib. Horsepen Run built?

It was built in 1994, making it 31 years old in 2025.

What condition is Dulles Greenway over Trib. 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 August 2024.

How much traffic does Dulles Greenway over Trib. Horsepen Run carry?

About 70,185 vehicles per day (2022 count).

How long is Dulles Greenway over Trib. Horsepen Run?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Dulles Greenway over Trib. Horsepen Run?

It is owned by the Local Toll Authority.