US Bridges

Shirley Mem.Hiway over Boundary Channel Drive

Fair

Arlington County, Virginia · 0.38FR110/0.31TO14st.BR. · Structure no. 000000000000250

Built
1950
75 years old
Condition
Fair
inspected January 2023
Type
Frame
Concrete
Length
74 ft
1 main span
Daily traffic
126,751
2022 count
Owner
State
State Highway Agency

About this bridge

Shirley Mem.Hiway over Boundary Channel Drive is a concrete frame carrying Shirley Mem.Hiway over Boundary Channel Drive in Arlington County, Virginia. It was built in 1950, so it is 75 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 126,751 vehicles a day, roughly 1% of them trucks, projected to reach 141,327 by 2045. The structure is 74 ft (22.6 m) long and 195 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesShirley Mem.Hiway
CrossesBoundary Channel Drive
Location0.38FR110/0.31TO14st.BR.
RouteInterstate 395
Coordinates38.86991, -77.04633
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
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 inspectionJanuary 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 alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating46.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span74 ft (22.6 m)
Deck width195 ft (59.5 m)
Roadway width138 ft (42.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126,751 (2022)
Projected traffic141,327 by 2045
Trucks1%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$192 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shirley Mem.Hiway over Boundary Channel Drive built?

It was built in 1950, making it 75 years old in 2025.

What condition is Shirley Mem.Hiway over Boundary Channel Drive 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 January 2023.

How much traffic does Shirley Mem.Hiway over Boundary Channel Drive carry?

About 126,751 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Shirley Mem.Hiway over Boundary Channel Drive?

The structure is 74 ft (22.6 m) long with a longest span of 74 ft (22.6 m) and a deck 195 ft wide.

Who owns Shirley Mem.Hiway over Boundary Channel Drive?

It is owned by the State Highway Agency.