US Bridges

Route 66 over Tributary of Accotink Ck

Fair

Fairfax County, Virginia · 02.30 123 / 00.10 243 · Structure no. 000000000006340

Built
1964
61 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
165,690
2022 count
Owner
State
State Highway Agency

About this bridge

Route 66 over Tributary of Accotink Ck is a concrete culvert carrying Route 66 over Tributary of Accotink Ck in Fairfax County, Virginia. It was built in 1964, so it is 61 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 165,690 vehicles a day, roughly 1% of them trucks, projected to reach 184,744 by 2045. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 66
CrossesTributary of Accotink Ck
Location02.30 123 / 00.10 243
RouteInterstate 66
CountyFairfax County
StateVirginia
Coordinates38.87811, -77.26826
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165,690 (2022)
Projected traffic184,744 by 2045
Trucks1%
Lanes on structure15
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 66 over Tributary of Accotink Ck built?

It was built in 1964, making it 61 years old in 2025.

What condition is Route 66 over Tributary of Accotink Ck 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 February 2023.

How much traffic does Route 66 over Tributary of Accotink Ck carry?

About 165,690 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 66 over Tributary of Accotink Ck?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Route 66 over Tributary of Accotink Ck?

It is owned by the State Highway Agency.