Mac Arthur Avenue over Interstate 280
GoodSanta Clara County, California · 04-SCL-280-L5.18-SJS · Structure no. 37 0100
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 271 ft
- 3 main spans
- Daily traffic
- 4,500
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Mac Arthur Avenue over Interstate 280 is a concrete continuous box beam or girders - multiple carrying Mac Arthur Avenue over Interstate 280 in Santa Clara County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,500 vehicles a day, roughly 2% of them trucks, projected to reach 7,434 by 2047. The structure is 271 ft (82.6 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Mac Arthur Avenue over Interstate 280 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Mac Arthur Avenue over Interstate 280 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.
How much traffic does Mac Arthur Avenue over Interstate 280 carry?
About 4,500 vehicles per day (1998 count), of which roughly 2% are trucks.
How long is Mac Arthur Avenue over Interstate 280?
The structure is 271 ft (82.6 m) long with a longest span of 103 ft (31.4 m) and a deck 54 ft wide.
Who owns Mac Arthur Avenue over Interstate 280?
It is owned by the State Highway Agency.