Fontaine ST over Interstate 580
GoodAlameda County, California · 04-ALA-580-R37.34-OAK · Structure no. 33 0339
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 325 ft
- 4 main spans
- Daily traffic
- 3,800
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Fontaine ST over Interstate 580 is a concrete continuous box beam or girders - multiple carrying Fontaine ST over Interstate 580 in Alameda County, California. It was built in 1965, 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 3,800 vehicles a day, roughly 1% of them trucks, projected to reach 5,380 by 2041. The structure is 325 ft (99.1 m) long and 52 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 Fontaine ST over Interstate 580 built?
It was built in 1965, making it 60 years old in 2025.
What condition is Fontaine ST 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 September 2023.
How much traffic does Fontaine ST over Interstate 580 carry?
About 3,800 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is Fontaine ST over Interstate 580?
The structure is 325 ft (99.1 m) long with a longest span of 80 ft (24.4 m) and a deck 52 ft wide.
Who owns Fontaine ST over Interstate 580?
It is owned by the State Highway Agency.