W Las Positas Blvd over I 680 So San Ramon Crk
GoodAlameda County, California · 04-ALA-680-R18.40-PLE · Structure no. 33 0516
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 445 ft
- 3 main spans
- Daily traffic
- 3,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
W Las Positas Blvd over I 680 So San Ramon Crk is a prestressed concrete continuous box beam or girders - multiple carrying W Las Positas Blvd over I 680 So San Ramon Crk in Alameda County, California. It was built in 1984, so it is 41 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 3,500 vehicles a day, roughly 3% of them trucks, projected to reach 5,361 by 2042. The structure is 445 ft (135.6 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 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 W Las Positas Blvd over I 680 So San Ramon Crk built?
It was built in 1984, making it 41 years old in 2025.
What condition is W Las Positas Blvd over I 680 So San Ramon Crk 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 April 2024.
How much traffic does W Las Positas Blvd over I 680 So San Ramon Crk carry?
About 3,500 vehicles per day (2009 count), of which roughly 3% are trucks.
How long is W Las Positas Blvd over I 680 So San Ramon Crk?
The structure is 445 ft (135.6 m) long with a longest span of 180 ft (54.9 m) and a deck 48 ft wide.
Who owns W Las Positas Blvd over I 680 So San Ramon Crk?
It is owned by the State Highway Agency.