NB I280 & Ramps over SR 87 Conns Strs River
GoodSanta Clara County, California · 04-SCL-280-R2.19-SJS · Structure no. 37 0275R
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 2,511 ft
- 26 main spans
- Daily traffic
- 111,250
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
NB I280 & Ramps over SR 87 Conns Strs River is a concrete continuous box beam or girders - multiple carrying NB I280 & Ramps over SR 87 Conns Strs River in Santa Clara County, California. It was built in 1971, so it is 54 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 111,250 vehicles a day, roughly 3% of them trucks, projected to reach 153,208 by 2045. The structure is 2,511 ft (765.4 m) long and 68 ft wide. If it were closed, the detour would be 5 mi (8 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NB I280 & Ramps over SR 87 Conns Strs River built?
It was built in 1971, making it 54 years old in 2025.
What condition is NB I280 & Ramps over SR 87 Conns Strs River 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 I280 & Ramps over SR 87 Conns Strs River carry?
About 111,250 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is NB I280 & Ramps over SR 87 Conns Strs River?
The structure is 2,511 ft (765.4 m) long with a longest span of 108 ft (32.8 m) and a deck 68 ft wide.
Who owns NB I280 & Ramps over SR 87 Conns Strs River?
It is owned by the State Highway Agency.