US Bridges

Saarinen Circle over Commercial Vehicle Drive

Good

Loudoun County, Virginia · Dulles Airport Terminal E · Structure no. 2100029P0000000

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
13,000
2024 count
Owner
Federal
Metropolitan Washington Airports Service

About this bridge

Saarinen Circle over Commercial Vehicle Drive is a concrete continuous box beam or girders - single or spread carrying Saarinen Circle over Commercial Vehicle Drive in Loudoun County, Virginia. It was built in 1993, so it is 32 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 13,000 vehicles a day, projected to reach 14,300 by 2044. The structure is 137 ft (41.8 m) long and 82 ft wide.

CarriesSaarinen Circle
CrossesCommercial Vehicle Drive
LocationDulles Airport Terminal E
Coordinates38.95347, -77.4445
Functional classRural Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span59 ft (18 m)
Deck width82 ft (25.1 m)
Roadway width78 ft (23.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2024)
Projected traffic14,300 by 2044
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerMetropolitan Washington Airports Service
Maintained byMetropolitan Washington Airports Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$38,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Saarinen Circle over Commercial Vehicle Drive built?

It was built in 1993, making it 32 years old in 2025.

What condition is Saarinen Circle over Commercial Vehicle Drive 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 February 2024.

How much traffic does Saarinen Circle over Commercial Vehicle Drive carry?

About 13,000 vehicles per day (2024 count).

How long is Saarinen Circle over Commercial Vehicle Drive?

The structure is 137 ft (41.8 m) long with a longest span of 59 ft (18 m) and a deck 82 ft wide.

Who owns Saarinen Circle over Commercial Vehicle Drive?

It is owned by the Metropolitan Washington Airports Service.