US Bridges

I-66 Wbl over Metro Bus Ramp

Fair

Fairfax County, Virginia · 00.53FR7/02.05TO29 · Structure no. 000000000006360

Built
1982
43 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
1 main span
Daily traffic
30,801
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 Wbl over Metro Bus Ramp is a steel stringer/multi-beam or girder carrying I-66 Wbl over Metro Bus Ramp in Fairfax County, Virginia. It was built in 1982, so it is 43 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 30,801 vehicles a day, roughly 1% of them trucks, projected to reach 34,343 by 2045. The structure is 114 ft (34.7 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-66 Wbl
CrossesMetro Bus Ramp
Location00.53FR7/02.05TO29
RouteInterstate 66
CountyFairfax County
StateVirginia
Coordinates38.90137, -77.19101
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating62.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span114 ft (34.7 m)
Deck width47 ft (14.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,801 (2022)
Projected traffic34,343 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$125.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-66 Wbl over Metro Bus Ramp built?

It was built in 1982, making it 43 years old in 2025.

What condition is I-66 Wbl over Metro Bus Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does I-66 Wbl over Metro Bus Ramp carry?

About 30,801 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 Wbl over Metro Bus Ramp?

The structure is 114 ft (34.7 m) long with a longest span of 114 ft (34.7 m) and a deck 47 ft wide.

Who owns I-66 Wbl over Metro Bus Ramp?

It is owned by the State Highway Agency.