US Bridges

Ramp Darnw over Dtrwb & Rmp Dsw

Good

Fairfax County, Virginia · 0.95 FR 193 0.30 to 267 · Structure no. 000000000028692

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
477 ft
3 main spans
Daily traffic
23,000
2012 count
Owner
State
State Highway Agency

About this bridge

Ramp Darnw over Dtrwb & Rmp Dsw is a concrete stringer/multi-beam or girder carrying Ramp Darnw over Dtrwb & Rmp Dsw in Fairfax County, Virginia. It was built in 2012, so it is 13 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 23,000 vehicles a day, roughly 1% of them trucks, projected to reach 36,000 by 2042. The structure is 477 ft (145.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRamp Darnw
CrossesDtrwb & Rmp Dsw
Location0.95 FR 193 0.30 to 267
RouteInterstate 495
Coordinates38.93277, -77.21099
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
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 rating74 US tons
Inventory rating52 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length477 ft (145.4 m)
Longest span165 ft (50.3 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,000 (2012)
Projected traffic36,000 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Darnw over Dtrwb & Rmp Dsw built?

It was built in 2012, making it 13 years old in 2025.

What condition is Ramp Darnw over Dtrwb & Rmp Dsw 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 July 2024.

How much traffic does Ramp Darnw over Dtrwb & Rmp Dsw carry?

About 23,000 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Ramp Darnw over Dtrwb & Rmp Dsw?

The structure is 477 ft (145.4 m) long with a longest span of 165 ft (50.3 m) and a deck 33 ft wide.

Who owns Ramp Darnw over Dtrwb & Rmp Dsw?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).