De Anza Boulevard over Interstate 280
FairSanta Clara County, California · 04-SCL-280-9.43-CPO · Structure no. 37 0206
- Built
- 1965
- 60 years old, rebuilt 1996
- Condition
- Fair
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 230 ft
- 4 main spans
- Daily traffic
- 138,500
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
De Anza Boulevard over Interstate 280 is a concrete continuous box beam or girders - multiple carrying De Anza Boulevard over Interstate 280 in Santa Clara County, California. It was built in 1965 and reconstructed in 1996, so it is 60 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 138,500 vehicles a day, roughly 5% of them trucks, projected to reach 156,631 by 2042. The structure is 230 ft (70.1 m) long and 153 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was De Anza Boulevard over Interstate 280 built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1996.
What condition is De Anza Boulevard over Interstate 280 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 January 2024.
How much traffic does De Anza Boulevard over Interstate 280 carry?
About 138,500 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is De Anza Boulevard over Interstate 280?
The structure is 230 ft (70.1 m) long with a longest span of 80 ft (24.4 m) and a deck 153 ft wide.
Who owns De Anza Boulevard over Interstate 280?
It is owned by the State Highway Agency.