SB Interstate 280 over Magdalena Avenue
FairSanta Clara County, California · 04-SCL-280-14.10 · Structure no. 37 0225L
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected February 2022
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 147 ft
- 2 main spans
- Daily traffic
- 58,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
SB Interstate 280 over Magdalena Avenue is a concrete continuous box beam or girders - multiple carrying SB Interstate 280 over Magdalena Avenue in Santa Clara County, California. It was built in 1967, 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 58,500 vehicles a day, roughly 2% of them trucks, projected to reach 81,506 by 2044. The structure is 147 ft (44.8 m) long and 77 ft wide. If it were closed, the detour would be 0.6 mi (1 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 SB Interstate 280 over Magdalena Avenue built?
It was built in 1967, making it 58 years old in 2025.
What condition is SB Interstate 280 over Magdalena Avenue 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 2022.
How much traffic does SB Interstate 280 over Magdalena Avenue carry?
About 58,500 vehicles per day (2009 count), of which roughly 2% are trucks.
How long is SB Interstate 280 over Magdalena Avenue?
The structure is 147 ft (44.8 m) long with a longest span of 76 ft (23.1 m) and a deck 77 ft wide.
Who owns SB Interstate 280 over Magdalena Avenue?
It is owned by the State Highway Agency.