Saarinen Circle over Toll Plaza
FairLoudoun County, Virginia · 0.2 Miles from Dulles Air · Structure no. 2100001P0000000
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 229 ft
- 10 main spans
- Daily traffic
- 10,000
- 2024 count
- Owner
- Federal
- Metropolitan Washington Airports Service
About this bridge
Saarinen Circle over Toll Plaza is a concrete continuous slab carrying Saarinen Circle over Toll Plaza in Loudoun County, Virginia. It was built in 1961, so it is 64 years old, older 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 5 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 10,000 vehicles a day, projected to reach 12,000 by 2044. The structure is 229 ft (69.9 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Saarinen Circle over Toll Plaza built?
It was built in 1961, making it 64 years old in 2025.
What condition is Saarinen Circle over Toll Plaza 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 2024.
How much traffic does Saarinen Circle over Toll Plaza carry?
About 10,000 vehicles per day (2024 count).
How long is Saarinen Circle over Toll Plaza?
The structure is 229 ft (69.9 m) long with a longest span of 31 ft (9.6 m) and a deck 23 ft wide.
Who owns Saarinen Circle over Toll Plaza?
It is owned by the Metropolitan Washington Airports Service.