US Bridges

Braddock Road over Cub Run

Good

Fairfax County, Virginia · 01.49FR.662/00.00TO661 · Structure no. 000000000006709

Built
1974
51 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
8,754
2022 count
Owner
State
State Highway Agency

About this bridge

Braddock Road over Cub Run is a steel stringer/multi-beam or girder carrying Braddock Road over Cub Run in Fairfax County, Virginia. It was built in 1974, so it is 51 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,754 vehicles a day, roughly 1% of them trucks, projected to reach 12,781 by 2042. The structure is 54 ft (16.5 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesBraddock Road
CrossesCub Run
Location01.49FR.662/00.00TO661
RouteCounty Highway 620
CountyFairfax County
StateVirginia
Coordinates38.87534, -77.47241
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.4 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span54 ft (16.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,754 (2022)
Projected traffic12,781 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$200 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Braddock Road over Cub Run built?

It was built in 1974, making it 51 years old in 2025.

What condition is Braddock Road over Cub Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Braddock Road over Cub Run carry?

About 8,754 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Braddock Road over Cub Run?

The structure is 54 ft (16.5 m) long with a longest span of 54 ft (16.5 m) and a deck 26 ft wide.

Who owns Braddock Road over Cub Run?

It is owned by the State Highway Agency.