US Bridges

Westpark Drive over Rte. 123 Chainbridge Rd.

Good

Fairfax County, Virginia · 0.05FR SHTYS/0.12TO Galle · Structure no. 000000000007037

Built
1991
34 years old, rebuilt 2010
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
545 ft
3 main spans
Daily traffic
6,316
2022 count
Owner
State
State Highway Agency

About this bridge

Westpark Drive over Rte. 123 Chainbridge Rd. is a steel continuous stringer/multi-beam or girder carrying Westpark Drive over Rte. 123 Chainbridge Rd. in Fairfax County, Virginia. It was built in 1991 and reconstructed in 2010, so it is 34 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 6,316 vehicles a day, projected to reach 9,112 by 2042. The structure is 545 ft (166 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWestpark Drive
CrossesRte. 123 Chainbridge Rd.
Location0.05FR SHTYS/0.12TO Galle
RouteCounty Highway 5061
CountyFairfax County
StateVirginia
Coordinates38.92099, -77.21886
Functional classUrban Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating94.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length545 ft (166 m)
Longest span207 ft (63 m)
Deck width67 ft (20.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic6,316 (2022)
Projected traffic9,112 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$220 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Westpark Drive over Rte. 123 Chainbridge Rd. built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2010.

What condition is Westpark Drive over Rte. 123 Chainbridge Rd. 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 May 2024.

How much traffic does Westpark Drive over Rte. 123 Chainbridge Rd. carry?

About 6,316 vehicles per day (2022 count).

How long is Westpark Drive over Rte. 123 Chainbridge Rd.?

The structure is 545 ft (166 m) long with a longest span of 207 ft (63 m) and a deck 67 ft wide.

Who owns Westpark Drive over Rte. 123 Chainbridge Rd.?

It is owned by the State Highway Agency.