US Bridges

Fairfax Drive RTE over Route I-66

Fair

Arlington County, Virginia · 00.20 120 / 00.10 66 Wbl · Structure no. 000000000000061

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
226 ft
2 main spans
Daily traffic
7,858
2022 count
Owner
State
State Highway Agency

About this bridge

Fairfax Drive RTE over Route I-66 is a prestressed concrete continuous box beam or girders - multiple carrying Fairfax Drive RTE over Route I-66 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 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 7,858 vehicles a day, projected to reach 11,473 by 2042. The structure is 226 ft (68.9 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFairfax Drive RTE
CrossesRoute I-66
Location00.20 120 / 00.10 66 Wbl
RouteInterstate 237
CountyArlington County
StateVirginia
Coordinates38.88273, -77.12035
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating99.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span113 ft (34.4 m)
Deck width46 ft (14.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,858 (2022)
Projected traffic11,473 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$300 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fairfax Drive RTE over Route I-66 built?

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

What condition is Fairfax Drive RTE over Route I-66 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 Fairfax Drive RTE over Route I-66 carry?

About 7,858 vehicles per day (2022 count).

How long is Fairfax Drive RTE over Route I-66?

The structure is 226 ft (68.9 m) long with a longest span of 113 ft (34.4 m) and a deck 46 ft wide.

Who owns Fairfax Drive RTE over Route I-66?

It is owned by the State Highway Agency.