US Bridges

Fairfax Co. Pkwy. over Cedar Run

Fair

Fairfax County, Virginia · 00.70FR6819/00.35TO608 · Structure no. 000000000007083

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
35,604
2022 count
Owner
State
State Highway Agency

About this bridge

Fairfax Co. Pkwy. over Cedar Run is a concrete culvert carrying Fairfax Co. Pkwy. over Cedar Run 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 35,604 vehicles a day, projected to reach 39,698 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFairfax Co. Pkwy.
CrossesCedar Run
Location00.70FR6819/00.35TO608
RouteState Highway 286
Coordinates38.91604, -77.39984
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,604 (2022)
Projected traffic39,698 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$98 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Fairfax Co. Pkwy. over Cedar Run built?

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

What condition is Fairfax Co. Pkwy. over Cedar Run 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 May 2024.

How much traffic does Fairfax Co. Pkwy. over Cedar Run carry?

About 35,604 vehicles per day (2022 count).

How long is Fairfax Co. Pkwy. over Cedar Run?

The structure is 43 ft (13.1 m) long with a longest span of 9 ft (2.7 m).

Who owns Fairfax Co. Pkwy. over Cedar Run?

It is owned by the State Highway Agency.