Marina Way Oc over Interstate 580
GoodContra Costa County, California · 04-CC-580-R3.35-RCH · Structure no. 28 0274
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 243 ft
- 2 main spans
- Daily traffic
- 4,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Marina Way Oc over Interstate 580 is a prestressed concrete continuous box beam or girders - multiple carrying Marina Way Oc over Interstate 580 in Contra Costa County, California. It was built in 1989, so it is 36 years old, younger 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 4,000 vehicles a day, roughly 20% of them trucks, projected to reach 16,139 by 2042. The structure is 243 ft (74.1 m) long and 76 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 Marina Way Oc over Interstate 580 built?
It was built in 1989, making it 36 years old in 2025.
What condition is Marina Way Oc 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 March 2024.
How much traffic does Marina Way Oc over Interstate 580 carry?
About 4,000 vehicles per day (2009 count), of which roughly 20% are trucks.
How long is Marina Way Oc over Interstate 580?
The structure is 243 ft (74.1 m) long with a longest span of 123 ft (37.5 m) and a deck 76 ft wide.
Who owns Marina Way Oc over Interstate 580?
It is owned by the State Highway Agency.