US Bridges

Ramp Dtswn over Ramp Dwn

Good

Fairfax County, Virginia · 3.11 Miles North of I-66 · Structure no. 000000000028819

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
76 ft
1 main span
Daily traffic
75,604
2018 count
Owner
State
State Highway Agency

About this bridge

Ramp Dtswn over Ramp Dwn is a concrete slab carrying Ramp Dtswn over Ramp Dwn 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 75,604 vehicles a day, roughly 5% of them trucks, projected to reach 83,989 by 2042. The structure is 76 ft (23.2 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRamp Dtswn
CrossesRamp Dwn
Location3.11 Miles North of I-66
RouteInterstate 495
Coordinates38.92944, -77.21169
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating71 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span64 ft (19.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75,604 (2018)
Projected traffic83,989 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free 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 Dtswn over Ramp Dwn built?

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

What condition is Ramp Dtswn over Ramp Dwn 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 June 2024.

How much traffic does Ramp Dtswn over Ramp Dwn carry?

About 75,604 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Ramp Dtswn over Ramp Dwn?

The structure is 76 ft (23.2 m) long with a longest span of 64 ft (19.5 m) and a deck 33 ft wide.

Who owns Ramp Dtswn over Ramp Dwn?

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