Neptune DR over Canal a
GoodAlameda County, California · 0.5 MI S/O Fairway DR · Structure no. 33C0134
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected October 2022
- Type
- Slab
- Concrete Continuous
- Length
- 210 ft
- 8 main spans
- Daily traffic
- 10
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Neptune DR over Canal a is a concrete continuous slab carrying Neptune DR over Canal a in Alameda County, California. It was built in 1970, so it is 55 years old, older 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 10 vehicles a day, projected to reach 22 by 2044. The structure is 210 ft (64 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Neptune DR over Canal a built?
It was built in 1970, making it 55 years old in 2025.
What condition is Neptune DR over Canal a 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 October 2022.
How much traffic does Neptune DR over Canal a carry?
About 10 vehicles per day (2016 count).
How long is Neptune DR over Canal a?
The structure is 210 ft (64 m) long with a longest span of 28 ft (8.5 m) and a deck 45 ft wide.
Who owns Neptune DR over Canal a?
It is owned by the City or Municipal Highway Agency.