US Bridges

I-66 WB over 66 Ramp & 495 Hot

Good

Fairfax County, Virginia · 02.51FR243 / 01.64TO 7 · Structure no. 000000000028665

Built
2010
15 years old, rebuilt 2022
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
275 ft
2 main spans
Daily traffic
32,108
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 WB over 66 Ramp & 495 Hot is a steel continuous stringer/multi-beam or girder carrying I-66 WB over 66 Ramp & 495 Hot in Fairfax County, Virginia. It was built in 2010 and reconstructed in 2022, so it is 15 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 32,108 vehicles a day, roughly 1% of them trucks, projected to reach 32,784 by 2042. The structure is 275 ft (83.8 m) long and 84 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI-66 WB
Crosses66 Ramp & 495 Hot
Location02.51FR243 / 01.64TO 7
RouteInterstate 66
CountyFairfax County
StateVirginia
Coordinates38.88642, -77.22139
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 inspectionNovember 2024
Inspection intervalevery 23 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 rating76.3 US tons
Inventory rating58.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span140 ft (42.7 m)
Deck width84 ft (25.5 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,108 (2022)
Projected traffic32,784 by 2042
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-66 WB over 66 Ramp & 495 Hot built?

It was built in 2010, making it 15 years old in 2025. It was reconstructed in 2022.

What condition is I-66 WB over 66 Ramp & 495 Hot 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 2024.

How much traffic does I-66 WB over 66 Ramp & 495 Hot carry?

About 32,108 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 WB over 66 Ramp & 495 Hot?

The structure is 275 ft (83.8 m) long with a longest span of 140 ft (42.7 m) and a deck 84 ft wide.

Who owns I-66 WB over 66 Ramp & 495 Hot?

It is owned by the State Highway Agency.