US Bridges

Capital Beltway over Branch of Cameron Run

Fair

Fairfax County, Virginia · 0.20FR1 1.20TO241 · Structure no. 000000000006444

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
196,510
2022 count
Owner
State
State Highway Agency

About this bridge

Capital Beltway over Branch of Cameron Run is a concrete culvert carrying Capital Beltway over Branch of Cameron Run in Fairfax County, Virginia. It was built in 1961, so it is 64 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 196,510 vehicles a day, projected to reach 219,109 by 2042. The structure is 42 ft (12.8 m) long.

CarriesCapital Beltway
CrossesBranch of Cameron Run
Location0.20FR1 1.20TO241
RouteInterstate 95
Coordinates38.79522, -77.06077
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.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 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 traffic196,510 (2022)
Projected traffic219,109 by 2042
Trucks0%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Capital Beltway over Branch of Cameron Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is Capital Beltway over Branch of Cameron 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 over Branch of Cameron Run carry?

About 196,510 vehicles per day (2022 count).

How long is Capital Beltway over Branch of Cameron Run?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns Capital Beltway over Branch of Cameron Run?

It is owned by the State Highway Agency.