US Bridges

North Lynn Street over I-66_ROSSLYN Tunnel

Fair

Arlington County, Virginia · 00.02FR29SBL/00.02TO29NBL · Structure no. 000000000000073

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
104 ft
2 main spans
Daily traffic
11,573
2022 count
Owner
State
State Highway Agency

About this bridge

North Lynn Street over I-66_ROSSLYN Tunnel is a steel continuous stringer/multi-beam or girder carrying North Lynn Street 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 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 11,573 vehicles a day, projected to reach 12,904 by 2045. The structure is 104 ft (31.7 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNorth Lynn Street
CrossesI-66_ROSSLYN Tunnel
Location00.02FR29SBL/00.02TO29NBL
RouteU.S. Route 0
CountyArlington County
StateVirginia
Coordinates38.89829, -77.07076
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span52 ft (15.8 m)
Deck width82 ft (25 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,573 (2022)
Projected traffic12,904 by 2045
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$310 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was North Lynn Street over I-66_ROSSLYN Tunnel built?

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

What condition is North Lynn Street over I-66_ROSSLYN Tunnel 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 2023.

How much traffic does North Lynn Street over I-66_ROSSLYN Tunnel carry?

About 11,573 vehicles per day (2022 count).

How long is North Lynn Street over I-66_ROSSLYN Tunnel?

The structure is 104 ft (31.7 m) long with a longest span of 52 ft (15.8 m) and a deck 82 ft wide.

Who owns North Lynn Street over I-66_ROSSLYN Tunnel?

It is owned by the State Highway Agency.