US Bridges

I-66 Ebl over 4 Mile Run & Bike Trail

Fair

Arlington County, Virginia · 0.90FADR/0.90NSYCAMORE · Structure no. 000000000000198

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Steel
Length
83 ft
1 main span
Daily traffic
46,338
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 Ebl over 4 Mile Run & Bike Trail is a steel box beam or girders - multiple carrying I-66 Ebl 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 46,338 vehicles a day, roughly 1% of them trucks, projected to reach 51,667 by 2042. The structure is 83 ft (25.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-66 Ebl
Crosses4 Mile Run & Bike Trail
Location0.90FADR/0.90NSYCAMORE
RouteInterstate 66
CountyArlington County
StateVirginia
Coordinates38.87923, -77.13631
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating85.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.4 m)
Longest span78 ft (23.8 m)
Deck width51 ft (15.6 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,338 (2022)
Projected traffic51,667 by 2042
Trucks1%
Lanes on structure2
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$150 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-66 Ebl over 4 Mile Run & Bike Trail built?

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

What condition is I-66 Ebl 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 I-66 Ebl over 4 Mile Run & Bike Trail carry?

About 46,338 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 Ebl over 4 Mile Run & Bike Trail?

The structure is 83 ft (25.4 m) long with a longest span of 78 ft (23.8 m) and a deck 51 ft wide.

Who owns I-66 Ebl over 4 Mile Run & Bike Trail?

It is owned by the State Highway Agency.