Interstate 280 SB over Private Road
FairSanta Clara County, California · 04-SCL-280-R3.41-SJS · Structure no. 37 0263L
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 98,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 280 SB over Private Road is a concrete continuous box beam or girders - multiple carrying Interstate 280 SB over Private Road in Santa Clara County, California. It was built in 1969, so it is 56 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 98,000 vehicles a day, roughly 1% of them trucks, projected to reach 149,794 by 2047. The structure is 139 ft (42.4 m) long and 80 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 Interstate 280 SB over Private Road built?
It was built in 1969, making it 56 years old in 2025.
What condition is Interstate 280 SB over Private Road 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 2025.
How much traffic does Interstate 280 SB over Private Road carry?
About 98,000 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is Interstate 280 SB over Private Road?
The structure is 139 ft (42.4 m) long with a longest span of 62 ft (18.9 m) and a deck 80 ft wide.
Who owns Interstate 280 SB over Private Road?
It is owned by the State Highway Agency.