Ardenwood Bl over Alameda Flood Cntrl Chnl
FairAlameda County, California · 0.1 MI S/E Lowry RD · Structure no. 33C0110
- Built
- 1965
- 60 years old, rebuilt 1990
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 421 ft
- 5 main spans
- Daily traffic
- 17,800
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Ardenwood Bl over Alameda Flood Cntrl Chnl is a prestressed concrete stringer/multi-beam or girder carrying Ardenwood Bl over Alameda Flood Cntrl Chnl in Alameda County, California. It was built in 1965 and reconstructed in 1990, so it is 60 years old, older 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 17,800 vehicles a day, roughly 5% of them trucks, projected to reach 32,040 by 2042. The structure is 421 ft (128.3 m) long and 68 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ardenwood Bl over Alameda Flood Cntrl Chnl built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1990.
What condition is Ardenwood Bl over Alameda Flood Cntrl Chnl 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 September 2024.
How much traffic does Ardenwood Bl over Alameda Flood Cntrl Chnl carry?
About 17,800 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Ardenwood Bl over Alameda Flood Cntrl Chnl?
The structure is 421 ft (128.3 m) long with a longest span of 84 ft (25.5 m) and a deck 68 ft wide.
Who owns Ardenwood Bl over Alameda Flood Cntrl Chnl?
It is owned by the City or Municipal Highway Agency.