US Bridges

I-495 & Exp Nbl over Rt I-495 I-66 and Metro

Good

Fairfax County, Virginia · 0.30 FR 495 / 0.52 to 66 · Structure no. 000000000031017

Built
2022
3 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,567 ft
9 main spans
Daily traffic
55,750
2021 count
Owner
State
State Highway Agency

About this bridge

I-495 & Exp Nbl over Rt I-495 I-66 and Metro is a steel continuous stringer/multi-beam or girder carrying I-495 & Exp Nbl over Rt I-495 I-66 and Metro in Fairfax County, Virginia. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 55,750 vehicles a day, projected to reach 61,292 by 2040. The structure is 1,567 ft (477.6 m) long and 59 ft wide.

CarriesI-495 & Exp Nbl
CrossesRt I-495 I-66 and Metro
Location0.30 FR 495 / 0.52 to 66
RouteInterstate 66
Coordinates38.88547, -77.21972
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.3 US tons
Inventory rating58.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHL 93
Structure length1,567 ft (477.6 m)
Longest span248 ft (75.6 m)
Deck width59 ft (18 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic55,750 (2021)
Projected traffic61,292 by 2040
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-495 & Exp Nbl over Rt I-495 I-66 and Metro built?

It was built in 2022, making it 3 years old in 2025.

What condition is I-495 & Exp Nbl over Rt I-495 I-66 and Metro 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 April 2023.

How much traffic does I-495 & Exp Nbl over Rt I-495 I-66 and Metro carry?

About 55,750 vehicles per day (2021 count).

How long is I-495 & Exp Nbl over Rt I-495 I-66 and Metro?

The structure is 1,567 ft (477.6 m) long with a longest span of 248 ft (75.6 m) and a deck 59 ft wide.

Who owns I-495 & Exp Nbl over Rt I-495 I-66 and Metro?

It is owned by the State Highway Agency.