Interstate 880 over Forest Ave
GoodSanta Clara County, California · 04-SCL-880-0.69-SJS · Structure no. 37 0173
- Built
- 1959
- 66 years old, rebuilt 1994
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 130 ft
- 1 main span
- Daily traffic
- 163,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 880 over Forest Ave is a concrete box beam or girders - multiple carrying Interstate 880 over Forest Ave in Santa Clara County, California. It was built in 1959 and reconstructed in 1994, so it is 66 years old, older 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 163,000 vehicles a day, roughly 6% of them trucks, projected to reach 240,644 by 2041. The structure is 130 ft (39.6 m) long and 134 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Interstate 880 over Forest Ave built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1994.
What condition is Interstate 880 over Forest Ave 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 March 2023.
How much traffic does Interstate 880 over Forest Ave carry?
About 163,000 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Interstate 880 over Forest Ave?
The structure is 130 ft (39.6 m) long with a longest span of 59 ft (18 m) and a deck 134 ft wide.
Who owns Interstate 880 over Forest Ave?
It is owned by the State Highway Agency.