US Bridges

RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy

Good

Fairfax County, Virginia · 00.48 FR RTE.641 Chpl.Rd. · Structure no. 000000000024492

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
251 ft
2 main spans
Daily traffic
17,118
2022 count
Owner
State
State Highway Agency

About this bridge

RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy is a steel stringer/multi-beam or girder carrying RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy in Fairfax County, Virginia. It was built in 1994, so it is 31 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 17,118 vehicles a day, projected to reach 24,994 by 2042. The structure is 251 ft (76.5 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 123 Ox Rd.
CrossesRTE 286 Fairfax CO Pkwy
Location00.48 FR RTE.641 Chpl.Rd.
RouteState Highway 123
Coordinates38.78808, -77.32696
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.2 US tons
Inventory rating65.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span122 ft (37.2 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,118 (2022)
Projected traffic24,994 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$150 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy built?

It was built in 1994, making it 31 years old in 2025.

What condition is RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy 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 March 2024.

How much traffic does RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy carry?

About 17,118 vehicles per day (2022 count).

How long is RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy?

The structure is 251 ft (76.5 m) long with a longest span of 122 ft (37.2 m) and a deck 45 ft wide.

Who owns RTE 123 Ox Rd. over RTE 286 Fairfax CO Pkwy?

It is owned by the State Highway Agency.