State Route 185 over Arroyo Viejo
GoodAlameda County, California · 04-ALA-185-8.64-OAK · Structure no. 33 0109
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected November 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 25,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 185 over Arroyo Viejo is a concrete continuous culvert carrying State Route 185 over Arroyo Viejo in Alameda County, California. It was built in 1969, so it is 56 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 25,000 vehicles a day, roughly 1% of them trucks, projected to reach 46,879 by 2044. The structure is 22 ft (6.7 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 185 over Arroyo Viejo built?
It was built in 1969, making it 56 years old in 2025.
What condition is State Route 185 over Arroyo Viejo 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 November 2022.
How much traffic does State Route 185 over Arroyo Viejo carry?
About 25,000 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is State Route 185 over Arroyo Viejo?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 94 ft wide.
Who owns State Route 185 over Arroyo Viejo?
It is owned by the State Highway Agency.