US Bridges

Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads

Good

Fairfax County, Virginia · 01.20FR620/01.00TO66 · Structure no. 000000000024355

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
2 main spans
Daily traffic
41,696
2022 count
Owner
State
State Highway Agency

About this bridge

Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads is a steel continuous stringer/multi-beam or girder carrying Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads in Fairfax County, Virginia. It was built in 1995, so it is 30 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 41,696 vehicles a day, roughly 1% of them trucks, projected to reach 60,878 by 2042. The structure is 260 ft (79.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFairfax Co.Pkwy.Nb
CrossesRte. 29 & C.D. Roads
Location01.20FR620/01.00TO66
RouteState Highway 286
CountyFairfax County
StateVirginia
Coordinates38.84479, -77.37511
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating79.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span131 ft (39.9 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,696 (2022)
Projected traffic60,878 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads built?

It was built in 1995, making it 30 years old in 2025.

What condition is Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads 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 2023.

How much traffic does Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads carry?

About 41,696 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads?

The structure is 260 ft (79.2 m) long with a longest span of 131 ft (39.9 m) and a deck 45 ft wide.

Who owns Fairfax Co.Pkwy.Nb over Rte. 29 & C.D. Roads?

It is owned by the State Highway Agency.