US Bridges

North Harrison ST over I-66 & Metro

Fair

Arlington County, Virginia · 00.05FR9th/00.40TO0237 · Structure no. 000000000000051

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
228 ft
2 main spans
Daily traffic
10,500
1987 count
Owner
State
State Highway Agency

About this bridge

North Harrison ST over I-66 & Metro is a steel continuous stringer/multi-beam or girder carrying North Harrison ST over I-66 & Metro in Arlington County, Virginia. It was built in 1981, so it is 44 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 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 10,500 vehicles a day, roughly 1% of them trucks, projected to reach 15,000 by 2042. The structure is 228 ft (69.5 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorth Harrison ST
CrossesI-66 & Metro
Location00.05FR9th/00.40TO0237
RouteCity Street 0
Coordinates38.87953, -77.12794
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.2 US tons
Inventory rating60.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span128 ft (39 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (1987)
Projected traffic15,000 by 2042
Trucks1%
Lanes on structure2
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$3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was North Harrison ST over I-66 & Metro built?

It was built in 1981, making it 44 years old in 2025.

What condition is North Harrison ST over I-66 & Metro 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 August 2023.

How much traffic does North Harrison ST over I-66 & Metro carry?

About 10,500 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is North Harrison ST over I-66 & Metro?

The structure is 228 ft (69.5 m) long with a longest span of 128 ft (39 m) and a deck 48 ft wide.

Who owns North Harrison ST over I-66 & Metro?

It is owned by the State Highway Agency.