NB Interstate 280 over 7th Street
GoodSanta Clara County, California · 04-SCL-280-R1.55-SJS · Structure no. 37 0280R
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 122 ft
- 1 main span
- Daily traffic
- 111,700
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
NB Interstate 280 over 7th Street is a prestressed concrete box beam or girders - multiple carrying NB Interstate 280 over 7th Street 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 111,700 vehicles a day, roughly 3% of them trucks, projected to reach 153,208 by 2045. The structure is 122 ft (37.2 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NB Interstate 280 over 7th Street built?
It was built in 1972, making it 53 years old in 2025.
What condition is NB Interstate 280 over 7th Street 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 January 2025.
How much traffic does NB Interstate 280 over 7th Street carry?
About 111,700 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is NB Interstate 280 over 7th Street?
The structure is 122 ft (37.2 m) long with a longest span of 120 ft (36.6 m) and a deck 68 ft wide.
Who owns NB Interstate 280 over 7th Street?
It is owned by the State Highway Agency.