Interstate 680 over Interstate 580
GoodAlameda County, California · 04-ALA-680-R20.03-PLE · Structure no. 33 0371
- Built
- 1965
- 60 years old, rebuilt 2002
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 325 ft
- 4 main spans
- Daily traffic
- 146,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 680 over Interstate 580 is a steel continuous stringer/multi-beam or girder carrying Interstate 680 over Interstate 580 in Alameda County, California. It was built in 1965 and reconstructed in 2002, so it is 60 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 146,000 vehicles a day, roughly 6% of them trucks, projected to reach 218,168 by 2046. The structure is 325 ft (99.1 m) long and 175 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 | 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 Interstate 580 built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2002.
What condition is Interstate 680 over Interstate 580 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 Interstate 580 carry?
About 146,000 vehicles per day (2009 count), of which roughly 6% are trucks.
How long is Interstate 680 over Interstate 580?
The structure is 325 ft (99.1 m) long with a longest span of 85 ft (25.9 m) and a deck 175 ft wide.
Who owns Interstate 680 over Interstate 580?
It is owned by the State Highway Agency.