US Bridges

Capital Beltway Il over Backlick Run

Fair

Fairfax County, Virginia · 01.92 613 / 00.24 I-395 · Structure no. 000000000006402

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
60 ft
4 main spans
Daily traffic
102,082
2022 count
Owner
State
State Highway Agency

About this bridge

Capital Beltway Il over Backlick Run is a concrete culvert carrying Capital Beltway Il over Backlick Run 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 102,082 vehicles a day, roughly 1% of them trucks, projected to reach 119,485 by 2042. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCapital Beltway Il
CrossesBacklick Run
Location01.92 613 / 00.24 I-395
RouteInterstate 95
Coordinates38.7914, -77.16976
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 within limits of footing or piles
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 rating72 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,082 (2022)
Projected traffic119,485 by 2042
Trucks1%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Capital Beltway Il over Backlick Run built?

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

What condition is Capital Beltway Il over Backlick Run 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 Capital Beltway Il over Backlick Run carry?

About 102,082 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Capital Beltway Il over Backlick Run?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m).

Who owns Capital Beltway Il over Backlick Run?

It is owned by the State Highway Agency.