State Route 85 over Interstate 280
FairSanta Clara County, California · 04-SCL-085-R18.41-SUNV · Structure no. 37 0227
- Built
- 1967
- 58 years old, rebuilt 1971
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 370 ft
- 4 main spans
- Daily traffic
- 121,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 85 over Interstate 280 is a concrete continuous box beam or girders - multiple carrying State Route 85 over Interstate 280 in Santa Clara County, California. It was built in 1967 and reconstructed in 1971, so it is 58 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 121,000 vehicles a day, roughly 1% of them trucks, projected to reach 175,292 by 2046. The structure is 370 ft (112.8 m) long and 131 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 85 over Interstate 280 built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1971.
What condition is State Route 85 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 June 2024.
How much traffic does State Route 85 over Interstate 280 carry?
About 121,000 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is State Route 85 over Interstate 280?
The structure is 370 ft (112.8 m) long with a longest span of 92 ft (28 m) and a deck 131 ft wide.
Who owns State Route 85 over Interstate 280?
It is owned by the State Highway Agency.