US Bridges

Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps

Good

Fairfax County, Virginia · 02.67FR0243/01.48TO0007 · Structure no. 000000000028666

Built
2010
15 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
421 ft
3 main spans
Daily traffic
32,108
2022 count
Owner
State
State Highway Agency

About this bridge

Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps is a steel continuous stringer/multi-beam or girder carrying Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps in Fairfax County, Virginia. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,108 vehicles a day, roughly 1% of them trucks, projected to reach 32,784 by 2042. The structure is 421 ft (128.2 m) long and 91 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCustis Mem Pkwy WB
CrossesI-495NB &hot; I-66 Ramps
Location02.67FR0243/01.48TO0007
RouteInterstate 66
Coordinates38.88694, -77.22002
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.5 US tons
Inventory rating58.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length421 ft (128.2 m)
Longest span181 ft (55.3 m)
Deck width91 ft (27.6 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,108 (2022)
Projected traffic32,784 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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$250 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps built?

It was built in 2010, making it 15 years old in 2025.

What condition is Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps 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 November 2024.

How much traffic does Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps carry?

About 32,108 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps?

The structure is 421 ft (128.2 m) long with a longest span of 181 ft (55.3 m) and a deck 91 ft wide.

Who owns Custis Mem Pkwy WB over I-495NB &hot; I-66 Ramps?

It is owned by the State Highway Agency.