US Bridges

Clifton Road over Wolf Run

Good

Fairfax County, Virginia · 00.45FR5529/00.65TO646 · Structure no. 000000000028368

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Arch - Deck
Concrete
Length
38 ft
1 main span
Daily traffic
5,662
2022 count
Owner
State
State Highway Agency

About this bridge

Clifton Road over Wolf Run is a concrete arch - deck carrying Clifton Road over Wolf Run in Fairfax County, Virginia. It was built in 2006, so it is 19 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 5,662 vehicles a day, roughly 1% of them trucks, projected to reach 6,475 by 2042. The structure is 38 ft (11.6 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesClifton Road
CrossesWolf Run
Location00.45FR5529/00.65TO646
RouteCounty Highway 645
Coordinates38.7616, -77.35791
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74 US tons
Inventory rating47 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,662 (2022)
Projected traffic6,475 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Clifton Road over Wolf Run built?

It was built in 2006, making it 19 years old in 2025.

What condition is Clifton Road over Wolf 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 November 2024.

How much traffic does Clifton Road over Wolf Run carry?

About 5,662 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Clifton Road over Wolf Run?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns Clifton Road over Wolf Run?

It is owned by the State Highway Agency.