N680-STONERIDGE DR over South San Ramon Creek
FairAlameda County, California · 04-ALA-680-R19.07-PLE · Structure no. 33 0580S
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 262 ft
- 3 main spans
- Daily traffic
- 2,300
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
N680-STONERIDGE DR over South San Ramon Creek is a concrete continuous box beam or girders - multiple carrying N680-STONERIDGE DR over South San Ramon Creek in Alameda County, California. It was built in 1991, so it is 34 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,300 vehicles a day, roughly 7% of them trucks, projected to reach 3,154 by 2042. The structure is 262 ft (79.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 N680-STONERIDGE DR over South San Ramon Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is N680-STONERIDGE DR over South San Ramon Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does N680-STONERIDGE DR over South San Ramon Creek carry?
About 2,300 vehicles per day (2010 count), of which roughly 7% are trucks.
How long is N680-STONERIDGE DR over South San Ramon Creek?
The structure is 262 ft (79.9 m) long with a longest span of 89 ft (27.1 m) and a deck 27 ft wide.
Who owns N680-STONERIDGE DR over South San Ramon Creek?
It is owned by the State Highway Agency.