US Bridges

North Quincy St. over Custis Mem. Pkwy (I-66)

Fair

Arlington County, Virginia · 0.07FR14THST/0.02TO15THST · Structure no. 000000000000047

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
231 ft
2 main spans
Daily traffic
9,843
2022 count
Owner
State
State Highway Agency

About this bridge

North Quincy St. over Custis Mem. Pkwy (I-66) is a concrete continuous box beam or girders - multiple carrying North Quincy St. over Custis Mem. Pkwy (I-66) in Arlington County, Virginia. It was built in 1981, so it is 44 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 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 9,843 vehicles a day, roughly 1% of them trucks, projected to reach 10,975 by 2045. The structure is 231 ft (70.4 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth Quincy St.
CrossesCustis Mem. Pkwy (I-66)
Location0.07FR14THST/0.02TO15THST
RouteCounty Highway 0
CountyArlington County
StateVirginia
Coordinates38.88923, -77.10831
Functional classUrban Minor Arterial

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 inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating63.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span122 ft (37.2 m)
Deck width70 ft (21.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,843 (2022)
Projected traffic10,975 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$175 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was North Quincy St. over Custis Mem. Pkwy (I-66) built?

It was built in 1981, making it 44 years old in 2025.

What condition is North Quincy St. over Custis Mem. Pkwy (I-66) 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 August 2023.

How much traffic does North Quincy St. over Custis Mem. Pkwy (I-66) carry?

About 9,843 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is North Quincy St. over Custis Mem. Pkwy (I-66)?

The structure is 231 ft (70.4 m) long with a longest span of 122 ft (37.2 m) and a deck 70 ft wide.

Who owns North Quincy St. over Custis Mem. Pkwy (I-66)?

It is owned by the State Highway Agency.