Interstate 680 over SR 84 (calaveras Road)
GoodAlameda County, California · 04-ALA-680-R11.03 · Structure no. 33 0351
- Built
- 1963
- 62 years old, rebuilt 2019
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 146 ft
- 3 main spans
- Daily traffic
- 140,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 680 over SR 84 (calaveras Road) is a concrete continuous box beam or girders - multiple carrying Interstate 680 over SR 84 (calaveras Road) in Alameda County, California. It was built in 1963 and reconstructed in 2019, so it is 62 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 140,000 vehicles a day, roughly 8% of them trucks, projected to reach 182,000 by 2045. The structure is 146 ft (44.5 m) long and 172 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 Interstate 680 over SR 84 (calaveras Road) built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2019.
What condition is Interstate 680 over SR 84 (calaveras Road) 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 April 2024.
How much traffic does Interstate 680 over SR 84 (calaveras Road) carry?
About 140,000 vehicles per day (2019 count), of which roughly 8% are trucks.
How long is Interstate 680 over SR 84 (calaveras Road)?
The structure is 146 ft (44.5 m) long with a longest span of 69 ft (21 m) and a deck 172 ft wide.
Who owns Interstate 680 over SR 84 (calaveras Road)?
It is owned by the State Highway Agency.