US Bridges

Fort Myer Drive over I-66__ROSSLYN Tunnel

Good

Arlington County, Virginia · 00.02FR29NBL/00.02TO29SBL · Structure no. 000000000000071

Built
1983
42 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
114 ft
2 main spans
Daily traffic
22,450
1987 count
Owner
State
State Highway Agency

About this bridge

Fort Myer Drive over I-66__ROSSLYN Tunnel is a steel continuous stringer/multi-beam or girder carrying Fort Myer Drive over I-66__ROSSLYN Tunnel in Arlington County, Virginia. It was built in 1983, so it is 42 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 22,450 vehicles a day, roughly 1% of them trucks, projected to reach 106,980 by 2042. The structure is 114 ft (34.7 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFort Myer Drive
CrossesI-66__ROSSLYN Tunnel
Location00.02FR29NBL/00.02TO29SBL
RouteCity Street 0
CountyArlington County
StateVirginia
Coordinates38.89857, -77.07243
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating91.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span59 ft (18 m)
Deck width71 ft (21.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic22,450 (1987)
Projected traffic106,980 by 2042
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$375 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fort Myer Drive over I-66__ROSSLYN Tunnel built?

It was built in 1983, making it 42 years old in 2025.

What condition is Fort Myer Drive over I-66__ROSSLYN Tunnel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Fort Myer Drive over I-66__ROSSLYN Tunnel carry?

About 22,450 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is Fort Myer Drive over I-66__ROSSLYN Tunnel?

The structure is 114 ft (34.7 m) long with a longest span of 59 ft (18 m) and a deck 71 ft wide.

Who owns Fort Myer Drive over I-66__ROSSLYN Tunnel?

It is owned by the State Highway Agency.