US Bridges

Braddock Road over Flatlick Branch

Fair

Fairfax County, Virginia · 00.50FR4955/00.80TO661 · Structure no. 000000000006708

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
200 ft
4 main spans
Daily traffic
8,754
2022 count
Owner
State
State Highway Agency

About this bridge

Braddock Road over Flatlick Branch is a concrete continuous slab carrying Braddock Road over Flatlick Branch in Fairfax County, Virginia. It was built in 1989, so it is 36 years old, younger 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 8,754 vehicles a day, roughly 1% of them trucks, projected to reach 12,781 by 2045. The structure is 200 ft (61 m) long and 46 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesBraddock Road
CrossesFlatlick Branch
Location00.50FR4955/00.80TO661
RouteCounty Highway 620
CountyFairfax County
StateVirginia
Coordinates38.86809, -77.46396
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61 m)
Longest span55 ft (16.8 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,754 (2022)
Projected traffic12,781 by 2045
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$125 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Braddock Road over Flatlick Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Braddock Road over Flatlick 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 September 2023.

How much traffic does Braddock Road over Flatlick Branch carry?

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

How long is Braddock Road over Flatlick Branch?

The structure is 200 ft (61 m) long with a longest span of 55 ft (16.8 m) and a deck 46 ft wide.

Who owns Braddock Road over Flatlick Branch?

It is owned by the State Highway Agency.