US Bridges

66 Ramp Nwh over RTE.66 Ramp

Good

Fairfax County, Virginia · .27FR495SB /.09TO66WB · Structure no. 000000000028676

Built
2012
13 years old, rebuilt 2022
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
74,178
2021 count
Owner
State
State Highway Agency

About this bridge

66 Ramp Nwh over RTE.66 Ramp is a steel stringer/multi-beam or girder carrying 66 Ramp Nwh over RTE.66 Ramp in Fairfax County, Virginia. It was built in 2012 and reconstructed in 2022, 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 74,178 vehicles a day, roughly 6% of them trucks, projected to reach 129,485 by 2040. The structure is 76 ft (23.2 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries66 Ramp Nwh
CrossesRTE.66 Ramp
Location.27FR495SB /.09TO66WB
RouteInterstate 66
CountyFairfax County
StateVirginia
Coordinates38.88786, -77.21958
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 inspectionAugust 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 rating84.9 US tons
Inventory rating65.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span76 ft (23.2 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,178 (2021)
Projected traffic129,485 by 2040
Trucks6%
Lanes on structure2
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 66 Ramp Nwh over RTE.66 Ramp built?

It was built in 2012, making it 13 years old in 2025. It was reconstructed in 2022.

What condition is 66 Ramp Nwh over RTE.66 Ramp 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 August 2024.

How much traffic does 66 Ramp Nwh over RTE.66 Ramp carry?

About 74,178 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 66 Ramp Nwh over RTE.66 Ramp?

The structure is 76 ft (23.2 m) long with a longest span of 76 ft (23.2 m) and a deck 47 ft wide.

Who owns 66 Ramp Nwh over RTE.66 Ramp?

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