US Bridges

Fair Lakes Circle over Tributary Big Rocky Run

Good

Fairfax County, Virginia · 00.55FR7700/00.03TO7700 · Structure no. 000000000007099

Built
1986
39 years old
Condition
Good
inspected February 2023
Type
Arch - Deck
Concrete
Length
31 ft
1 main span
Daily traffic
11,231
2022 count
Owner
State
State Highway Agency

About this bridge

Fair Lakes Circle over Tributary Big Rocky Run is a concrete arch - deck carrying Fair Lakes Circle over Tributary Big Rocky Run in Fairfax County, Virginia. It was built in 1986, so it is 39 years old, younger 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 11,231 vehicles a day, projected to reach 16,397 by 2045. The structure is 31 ft (9.4 m) long and 116 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFair Lakes Circle
CrossesTributary Big Rocky Run
Location00.55FR7700/00.03TO7700
RouteCounty Highway 7701
CountyFairfax County
StateVirginia
Coordinates38.86002, -77.3787
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.9 US tons
Inventory rating91.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width116 ft (35.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,231 (2022)
Projected traffic16,397 by 2045
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$75 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Fair Lakes Circle over Tributary Big Rocky Run built?

It was built in 1986, making it 39 years old in 2025.

What condition is Fair Lakes Circle over Tributary Big Rocky 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 February 2023.

How much traffic does Fair Lakes Circle over Tributary Big Rocky Run carry?

About 11,231 vehicles per day (2022 count).

How long is Fair Lakes Circle over Tributary Big Rocky Run?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 116 ft wide.

Who owns Fair Lakes Circle over Tributary Big Rocky Run?

It is owned by the State Highway Agency.