US Bridges

Fairfax Co. Pkwy. over CSX Railway

Fair

Fairfax County, Virginia · 0.5 to 611 / 1.8 to I-95 · Structure no. 000000000024732

Built
1996
29 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
3 main spans
Daily traffic
18,314
2022 count
Owner
State
State Highway Agency

About this bridge

Fairfax Co. Pkwy. over CSX Railway is a steel stringer/multi-beam or girder carrying Fairfax Co. Pkwy. over CSX Railway in Fairfax County, Virginia. It was built in 1996, so it is 29 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 18,314 vehicles a day, roughly 1% of them trucks, projected to reach 26,740 by 2045. The structure is 185 ft (56.4 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFairfax Co. Pkwy.
CrossesCSX Railway
Location0.5 to 611 / 1.8 to I-95
RouteState Highway 286
Coordinates38.72965, -77.1887
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 22 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span95 ft (29 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,314 (2022)
Projected traffic26,740 by 2045
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$200 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fairfax Co. Pkwy. over CSX Railway built?

It was built in 1996, making it 29 years old in 2025.

What condition is Fairfax Co. Pkwy. over CSX Railway 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 February 2025.

How much traffic does Fairfax Co. Pkwy. over CSX Railway carry?

About 18,314 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Fairfax Co. Pkwy. over CSX Railway?

The structure is 185 ft (56.4 m) long with a longest span of 95 ft (29 m) and a deck 56 ft wide.

Who owns Fairfax Co. Pkwy. over CSX Railway?

It is owned by the State Highway Agency.