US Bridges

Flyover to 50 WB over I-66 WB Exp & Gp

Good

Fairfax County, Virginia · 1.82FR123 0.17TO 50 · Structure no. 000000000031061

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
498 ft
3 main spans
Daily traffic
40,859
2021 count
Owner
State
State Highway Agency

About this bridge

Flyover to 50 WB over I-66 WB Exp & Gp is a steel continuous stringer/multi-beam or girder carrying Flyover to 50 WB over I-66 WB Exp & Gp 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 40,859 vehicles a day, roughly 2% of them trucks, projected to reach 44,921 by 2040. The structure is 498 ft (151.8 m) long and 36 ft wide.

Location

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CarriesFlyover to 50 WB
CrossesI-66 WB Exp & Gp
Location1.82FR123 0.17TO 50
RouteInterstate 50
CountyFairfax County
StateVirginia
Coordinates38.86294, -77.34222
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.2 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length498 ft (151.8 m)
Longest span189 ft (57.6 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic40,859 (2021)
Projected traffic44,921 by 2040
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Flyover to 50 WB over I-66 WB Exp & Gp built?

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

What condition is Flyover to 50 WB over I-66 WB Exp & Gp 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 Flyover to 50 WB over I-66 WB Exp & Gp carry?

About 40,859 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Flyover to 50 WB over I-66 WB Exp & Gp?

The structure is 498 ft (151.8 m) long with a longest span of 189 ft (57.6 m) and a deck 36 ft wide.

Who owns Flyover to 50 WB over I-66 WB Exp & Gp?

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