US Bridges

Route 0066 over Long Branch

Fair

Fairfax County, Virginia · 01.51TO243/00.92TO495 · Structure no. 000000000006342

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
153,895
2022 count
Owner
State
State Highway Agency

About this bridge

Route 0066 over Long Branch is a concrete culvert carrying Route 0066 over Long Branch 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 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 153,895 vehicles a day, roughly 1% of them trucks, projected to reach 171,593 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRoute 0066
CrossesLong Branch
Location01.51TO243/00.92TO495
RouteInterstate 66
CountyFairfax County
StateVirginia
Coordinates38.88013, -77.23856
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153,895 (2022)
Projected traffic171,593 by 2042
Trucks1%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$175 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 0066 over Long Branch built?

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

What condition is Route 0066 over Long Branch 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 Route 0066 over Long Branch carry?

About 153,895 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 0066 over Long Branch?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).

Who owns Route 0066 over Long Branch?

It is owned by the State Highway Agency.