Interstate 680 NB over UPRR Marina Vista Mococo
PoorContra Costa County, California · 04-CC-680-24.26 · Structure no. 28 0356R
- Built
- 2006
- 19 years old
- Condition
- Poor
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 1,194 ft
- 8 main spans
- Daily traffic
- 51,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 680 NB over UPRR Marina Vista Mococo is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 680 NB over UPRR Marina Vista Mococo in Contra Costa County, California. It was built in 2006, so it is 19 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 51,000 vehicles a day, roughly 8% of them trucks, projected to reach 86,252 by 2047. The structure is 1,194 ft (364 m) long and 82 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 680 NB over UPRR Marina Vista Mococo built?
It was built in 2006, making it 19 years old in 2025.
What condition is Interstate 680 NB over UPRR Marina Vista Mococo in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does Interstate 680 NB over UPRR Marina Vista Mococo carry?
About 51,000 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Interstate 680 NB over UPRR Marina Vista Mococo?
The structure is 1,194 ft (364 m) long with a longest span of 193 ft (58.8 m) and a deck 82 ft wide.
Who owns Interstate 680 NB over UPRR Marina Vista Mococo?
It is owned by the State Highway Agency.