US Bridges

Route 50 Wbl over I-66

Good

Fairfax County, Virginia · 0.58 FR 665 0.59 to F769 · Structure no. 000000000031060

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
597 ft
5 main spans
Daily traffic
25,279
2022 count
Owner
State
State Highway Agency

About this bridge

Route 50 Wbl over I-66 is a prestressed concrete stringer/multi-beam or girder carrying Route 50 Wbl over I-66 in Fairfax County, Virginia. It was built in 2021, so it is 4 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 25,279 vehicles a day, roughly 1% of them trucks, projected to reach 36,907 by 2045. The structure is 597 ft (182 m) long and 61 ft wide.

CarriesRoute 50 Wbl
CrossesI-66
Location0.58 FR 665 0.59 to F769
RouteU.S. Route 50
Coordinates38.86202, -77.34347
Functional classUrban Minor Arterial

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 alignment7: Better than present minimum criteria
Operating rating94.9 US tons
Inventory rating73.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length597 ft (182 m)
Longest span594 ft (181.1 m)
Deck width61 ft (18.6 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic25,279 (2022)
Projected traffic36,907 by 2045
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Route 50 Wbl over I-66 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Route 50 Wbl over I-66 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 Route 50 Wbl over I-66 carry?

About 25,279 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 50 Wbl over I-66?

The structure is 597 ft (182 m) long with a longest span of 594 ft (181.1 m) and a deck 61 ft wide.

Who owns Route 50 Wbl over I-66?

It is owned by the State Highway Agency.