US Bridges

Ramp a over Van Dorn Street

Fair

Fairfax County, Virginia · 0.40FRBEAU/0.45TO Jor ST · Structure no. 000000000019890

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
10,500
1987 count
Owner
State
State Highway Agency

About this bridge

Ramp a over Van Dorn Street is a steel stringer/multi-beam or girder carrying Ramp a over Van Dorn Street in Fairfax County, Virginia. It was built in 1970, so it is 55 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 10,500 vehicles a day, roughly 3% of them trucks, projected to reach 42,000 by 2042. The structure is 74 ft (22.6 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRamp a
CrossesVan Dorn Street
Location0.40FRBEAU/0.45TO Jor ST
RouteInterstate 420
Coordinates38.8296, -77.1124
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating56.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span74 ft (22.6 m)
Deck width41 ft (12.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (1987)
Projected traffic42,000 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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$210 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a over Van Dorn Street built?

It was built in 1970, making it 55 years old in 2025.

What condition is Ramp a over Van Dorn Street 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 October 2024.

How much traffic does Ramp a over Van Dorn Street carry?

About 10,500 vehicles per day (1987 count), of which roughly 3% are trucks.

How long is Ramp a over Van Dorn Street?

The structure is 74 ft (22.6 m) long with a longest span of 74 ft (22.6 m) and a deck 41 ft wide.

Who owns Ramp a over Van Dorn Street?

It is owned by the State Highway Agency.