US Bridges

66 Wbl over I-66 Wbl Gp & Exp

Good

Fairfax County, Virginia · 0.15FR66EB 0.25TO495SB · Structure no. 000000000031018

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
162 ft
1 main span
Daily traffic
74,000
2021 count
Owner
State
State Highway Agency

About this bridge

66 Wbl over I-66 Wbl Gp & Exp is a steel continuous stringer/multi-beam or girder carrying 66 Wbl over I-66 Wbl Gp & Exp 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 74,000 vehicles a day, roughly 6% of them trucks, projected to reach 100,000 by 2042. The structure is 162 ft (49.4 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries66 Wbl
CrossesI-66 Wbl Gp & Exp
Location0.15FR66EB 0.25TO495SB
RouteInterstate 66
Coordinates38.88836, -77.21578
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 inspectionMarch 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 alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating90.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length162 ft (49.4 m)
Longest span158 ft (48.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic74,000 (2021)
Projected traffic100,000 by 2042
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 66 Wbl over I-66 Wbl Gp & Exp built?

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

What condition is 66 Wbl over I-66 Wbl Gp & Exp 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 March 2023.

How much traffic does 66 Wbl over I-66 Wbl Gp & Exp carry?

About 74,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 66 Wbl over I-66 Wbl Gp & Exp?

The structure is 162 ft (49.4 m) long with a longest span of 158 ft (48.2 m) and a deck 36 ft wide.

Who owns 66 Wbl over I-66 Wbl Gp & Exp?

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