North Flynn Road over Interstate 580
GoodAlameda County, California · 04-ALA-580-R5.93L · Structure no. 33 0407
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 373 ft
- 4 main spans
- Daily traffic
- 835
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
North Flynn Road over Interstate 580 is a concrete continuous box beam or girders - multiple carrying North Flynn Road over Interstate 580 in Alameda County, California. It was built in 1969, so it is 56 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 835 vehicles a day, roughly 2% of them trucks, projected to reach 1,098 by 2046. The structure is 373 ft (113.7 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 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 North Flynn Road over Interstate 580 built?
It was built in 1969, making it 56 years old in 2025.
What condition is North Flynn Road 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 January 2024.
How much traffic does North Flynn Road over Interstate 580 carry?
About 835 vehicles per day (2009 count), of which roughly 2% are trucks.
How long is North Flynn Road over Interstate 580?
The structure is 373 ft (113.7 m) long with a longest span of 102 ft (31.1 m) and a deck 34 ft wide.
Who owns North Flynn Road over Interstate 580?
It is owned by the State Highway Agency.