US Bridges

Capital Beltway over Branch of Accotink Creek

Fair

Fairfax County, Virginia · 00.01FR236/01.33TO650 · Structure no. 000000000006590

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
150,709
2022 count
Owner
State
State Highway Agency

About this bridge

Capital Beltway over Branch of Accotink Creek is a concrete culvert carrying Capital Beltway over Branch of Accotink Creek in Fairfax County, Virginia. It was built in 1962, so it is 63 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 150,709 vehicles a day, roughly 1% of them trucks, projected to reach 168,041 by 2045. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCapital Beltway
CrossesBranch of Accotink Creek
Location00.01FR236/01.33TO650
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.83484, -77.21757
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior 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 spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150,709 (2022)
Projected traffic168,041 by 2045
Trucks1%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$12 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Capital Beltway over Branch of Accotink Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Capital Beltway over Branch of Accotink Creek 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 September 2023.

How much traffic does Capital Beltway over Branch of Accotink Creek carry?

About 150,709 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Capital Beltway over Branch of Accotink Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Capital Beltway over Branch of Accotink Creek?

It is owned by the State Highway Agency.