US Bridges

Belmont Ridge Road over Dulles Greenway & Ramp D

Good

Loudoun County, Virginia · 01.83FR625/00.30TO640 · Structure no. 000000000024459

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
360 ft
4 main spans
Daily traffic
16,679
2022 count
Owner
State
State Highway Agency

About this bridge

Belmont Ridge Road over Dulles Greenway & Ramp D is a steel continuous stringer/multi-beam or girder carrying Belmont Ridge Road over Dulles Greenway & Ramp D 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 16,679 vehicles a day, roughly 1% of them trucks, projected to reach 24,351 by 2042. The structure is 360 ft (109.7 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBelmont Ridge Road
CrossesDulles Greenway & Ramp D
Location01.83FR625/00.30TO640
RouteCounty Highway 659
Coordinates39.03653, -77.52312
Functional classUrban Minor Arterial

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.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length360 ft (109.7 m)
Longest span102 ft (31.1 m)
Deck width64 ft (19.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,679 (2022)
Projected traffic24,351 by 2042
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$250 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Belmont Ridge Road over Dulles Greenway & Ramp D built?

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

What condition is Belmont Ridge Road over Dulles Greenway & Ramp D 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 November 2023.

How much traffic does Belmont Ridge Road over Dulles Greenway & Ramp D carry?

About 16,679 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Belmont Ridge Road over Dulles Greenway & Ramp D?

The structure is 360 ft (109.7 m) long with a longest span of 102 ft (31.1 m) and a deck 64 ft wide.

Who owns Belmont Ridge Road over Dulles Greenway & Ramp D?

It is owned by the State Highway Agency.