US Bridges

Glebe Road over Custis Mem. Pkwy (I-66)

Fair

Arlington County, Virginia · 00.30 237 / 00.85 29 · Structure no. 000000000000226

Built
1982
43 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
2 main spans
Daily traffic
20,880
2022 count
Owner
State
State Highway Agency

About this bridge

Glebe Road over Custis Mem. Pkwy (I-66) is a steel continuous stringer/multi-beam or girder carrying Glebe Road over Custis Mem. Pkwy (I-66) in Arlington 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 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 20,880 vehicles a day, roughly 1% of them trucks, projected to reach 23,281 by 2042. The structure is 171 ft (52.1 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGlebe Road
CrossesCustis Mem. Pkwy (I-66)
Location00.30 237 / 00.85 29
RouteState Highway 120
CountyArlington County
StateVirginia
Coordinates38.88679, -77.11794
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length171 ft (52.1 m)
Longest span94 ft (28.7 m)
Deck width78 ft (23.8 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,880 (2022)
Projected traffic23,281 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Glebe Road over Custis Mem. Pkwy (I-66) built?

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

What condition is Glebe Road 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 November 2024.

How much traffic does Glebe Road over Custis Mem. Pkwy (I-66) carry?

About 20,880 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Glebe Road over Custis Mem. Pkwy (I-66)?

The structure is 171 ft (52.1 m) long with a longest span of 94 ft (28.7 m) and a deck 78 ft wide.

Who owns Glebe Road over Custis Mem. Pkwy (I-66)?

It is owned by the State Highway Agency.