US Bridges

Ramp B of 495 over Route 66 & Metro

Fair

Fairfax County, Virginia · 00.10FR495NB/00.65TO66W · Structure no. 000000000006598

Built
1963
62 years old, rebuilt 2012
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
440 ft
5 main spans
Daily traffic
48,000
2012 count
Owner
State
State Highway Agency

About this bridge

Ramp B of 495 over Route 66 & Metro is a steel stringer/multi-beam or girder carrying Ramp B of 495 over Route 66 & Metro in Fairfax County, Virginia. It was built in 1963 and reconstructed in 2012, so it is 62 years old, older 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 48,000 vehicles a day, roughly 5% of them trucks, projected to reach 63,000 by 2042. The structure is 440 ft (134.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp B of 495
CrossesRoute 66 & Metro
Location00.10FR495NB/00.65TO66W
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.88406, -77.22467
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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length440 ft (134.1 m)
Longest span169 ft (51.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,000 (2012)
Projected traffic63,000 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp B of 495 over Route 66 & Metro built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2012.

What condition is Ramp B of 495 over Route 66 & Metro 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 October 2024.

How much traffic does Ramp B of 495 over Route 66 & Metro carry?

About 48,000 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Ramp B of 495 over Route 66 & Metro?

The structure is 440 ft (134.1 m) long with a longest span of 169 ft (51.5 m) and a deck 31 ft wide.

Who owns Ramp B of 495 over Route 66 & Metro?

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