US Bridges

I-66 WB over Stringfellow RD

Good

Fairfax County, Virginia · .55 FR 28 1.61 to 50 · Structure no. 000000000030952

Built
2021
4 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
127 ft
1 main span
Daily traffic
75,288
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 WB over Stringfellow RD is a concrete stringer/multi-beam or girder carrying I-66 WB over Stringfellow RD 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 75,288 vehicles a day, roughly 1% of them trucks, projected to reach 97,703 by 2045. The structure is 127 ft (38.7 m) long and 133 ft wide.

Location

Open in Google Maps
CarriesI-66 WB
CrossesStringfellow RD
Location.55 FR 28 1.61 to 50
RouteInterstate 66
CountyFairfax County
StateVirginia
Coordinates38.85201, -77.40297
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating90.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length127 ft (38.7 m)
Longest span117 ft (35.7 m)
Deck width133 ft (40.5 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic75,288 (2022)
Projected traffic97,703 by 2045
Trucks1%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-66 WB over Stringfellow RD built?

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

What condition is I-66 WB over Stringfellow RD 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 I-66 WB over Stringfellow RD carry?

About 75,288 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 WB over Stringfellow RD?

The structure is 127 ft (38.7 m) long with a longest span of 117 ft (35.7 m) and a deck 133 ft wide.

Who owns I-66 WB over Stringfellow RD?

It is owned by the State Highway Agency.