US Bridges

Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail

Fair

Arlington County, Virginia · 0.90FADR/0.90NSYCAMORE · Structure no. 000000000000197

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Steel
Length
82 ft
1 main span
Daily traffic
59,051
2022 count
Owner
State
State Highway Agency

About this bridge

Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail is a steel box beam or girders - multiple carrying Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail 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 6 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 59,051 vehicles a day, roughly 1% of them trucks, projected to reach 65,842 by 2042. The structure is 82 ft (25 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWbl Custis Mem. Pw
Crosses4 Mile Run & Bike Trail
Location0.90FADR/0.90NSYCAMORE
RouteInterstate 66
Coordinates38.87947, -77.13626
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.9 US tons
Inventory rating82.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span82 ft (25 m)
Deck width50 ft (15.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,051 (2022)
Projected traffic65,842 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$200 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail built?

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

What condition is Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail 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 July 2024.

How much traffic does Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail carry?

About 59,051 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail?

The structure is 82 ft (25 m) long with a longest span of 82 ft (25 m) and a deck 50 ft wide.

Who owns Wbl Custis Mem. Pw over 4 Mile Run & Bike Trail?

It is owned by the State Highway Agency.