US Bridges

WB G.W.Mem.Pkwy. over Route I495

Fair

Fairfax County, Virginia · 00.47FR495/01.70TO Turkey · Structure no. 000000000006202

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
361 ft
4 main spans
Daily traffic
3,773
2022 count
Owner
State
State Highway Agency

About this bridge

WB G.W.Mem.Pkwy. over Route I495 is a steel stringer/multi-beam or girder carrying WB G.W.Mem.Pkwy. over Route I495 in Fairfax County, Virginia. It was built in 1962, so it is 63 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 5 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 3,773 vehicles a day, projected to reach 5,510 by 2045. The structure is 361 ft (110 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWB G.W.Mem.Pkwy.
CrossesRoute I495
Location00.47FR495/01.70TO Turkey
RouteInterstate 0
Coordinates38.9636, -77.18236
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length361 ft (110 m)
Longest span111 ft (33.8 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,773 (2022)
Projected traffic5,510 by 2045
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$350 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB G.W.Mem.Pkwy. over Route I495 built?

It was built in 1962, making it 63 years old in 2025.

What condition is WB G.W.Mem.Pkwy. over Route I495 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 2023.

How much traffic does WB G.W.Mem.Pkwy. over Route I495 carry?

About 3,773 vehicles per day (2022 count).

How long is WB G.W.Mem.Pkwy. over Route I495?

The structure is 361 ft (110 m) long with a longest span of 111 ft (33.8 m) and a deck 30 ft wide.

Who owns WB G.W.Mem.Pkwy. over Route I495?

It is owned by the State Highway Agency.