US Bridges

Clifton Rd. over Sandy Run

GoodPosted for load

Fairfax County, Virginia · 0.55FR123 1.20TO610 · Structure no. 000000000006767

Built
1986
39 years old, rebuilt 2024
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
23 ft
3 main spans
Daily traffic
4,859
2022 count
Owner
State
State Highway Agency

About this bridge

Clifton Rd. over Sandy Run is a steel culvert carrying Clifton Rd. over Sandy Run in Fairfax County, Virginia. It was built in 1986 and reconstructed in 2024, 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. Its operating status is: posted for load restriction.

It carries about 4,859 vehicles a day, roughly 1% of them trucks, projected to reach 5,114 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesClifton Rd.
CrossesSandy Run
Location0.55FR123 1.20TO610
RouteCounty Highway 645
CountyFairfax County
StateVirginia
Coordinates38.76403, -77.32222
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,859 (2022)
Projected traffic5,114 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 of existing bridge without deck rehabilitation
Estimated improvement cost$160 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Clifton Rd. over Sandy Run built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2024.

What condition is Clifton Rd. over Sandy 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 October 2024.

How much traffic does Clifton Rd. over Sandy Run carry?

About 4,859 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Clifton Rd. over Sandy Run?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns Clifton Rd. over Sandy Run?

It is owned by the State Highway Agency.