Interstate 680 NB over UP BNSF AMTRAK Suisun Ba
GoodContra Costa County, California · 04-CC-680-R25.04R-MTZ · Structure no. 28 0153R
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected August 2023
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 7,434 ft
- 16 main spans
- Daily traffic
- 105,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 680 NB over UP BNSF AMTRAK Suisun Ba is a prestressed concrete continuous segmental box girder carrying Interstate 680 NB over UP BNSF AMTRAK Suisun Ba in Contra Costa County, California. It was built in 2007, so it is 18 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 105,000 vehicles a day, roughly 8% of them trucks, projected to reach 114,000 by 2040. The structure is 7,434 ft (2,265.9 m) long and 82 ft wide. If it were closed, the detour would be 29.2 mi (47 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 680 NB over UP BNSF AMTRAK Suisun Ba built?
It was built in 2007, making it 18 years old in 2025.
What condition is Interstate 680 NB over UP BNSF AMTRAK Suisun Ba 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 August 2023.
How much traffic does Interstate 680 NB over UP BNSF AMTRAK Suisun Ba carry?
About 105,000 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Interstate 680 NB over UP BNSF AMTRAK Suisun Ba?
The structure is 7,434 ft (2,265.9 m) long with a longest span of 659 ft (200.8 m) and a deck 82 ft wide.
Who owns Interstate 680 NB over UP BNSF AMTRAK Suisun Ba?
It is owned by the State Highway Agency.