US Bridges

Ramp a of I-66 over Route 110

Fair

Arlington County, Virginia · 01.10 29 / 00.20 50 · Structure no. 000000000000177

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
1 main span
Daily traffic
11,875
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp a of I-66 over Route 110 is a steel stringer/multi-beam or girder carrying Ramp a of I-66 over Route 110 in Arlington County, Virginia. It was built in 1965, so it is 60 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 11,875 vehicles a day, projected to reach 17,339 by 2042. The structure is 92 ft (28 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp a of I-66
CrossesRoute 110
Location01.10 29 / 00.20 50
RouteInterstate 66
CountyArlington County
StateVirginia
Coordinates38.89327, -77.0677
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating53.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,875 (2022)
Projected traffic17,339 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$400 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a of I-66 over Route 110 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ramp a of I-66 over Route 110 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 June 2024.

How much traffic does Ramp a of I-66 over Route 110 carry?

About 11,875 vehicles per day (2022 count).

How long is Ramp a of I-66 over Route 110?

The structure is 92 ft (28 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns Ramp a of I-66 over Route 110?

It is owned by the State Highway Agency.