Silverado Canyn RD over Silverado Canyon Creek
PoorOrange County, California · 4.9 Mi. E/O Santiago Road · Structure no. 55C0178
- Built
- 1947
- 78 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 42 ft
- 1 main span
- Daily traffic
- 2,000
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Silverado Canyn RD over Silverado Canyon Creek is a steel stringer/multi-beam or girder carrying Silverado Canyn RD over Silverado Canyon Creek in Orange County, California. It was built in 1947, so it is 78 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 4,204 by 2041. The structure is 42 ft (12.8 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, 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 Silverado Canyn RD over Silverado Canyon Creek built?
It was built in 1947, making it 78 years old in 2025.
What condition is Silverado Canyn RD over Silverado Canyon Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.
How much traffic does Silverado Canyn RD over Silverado Canyon Creek carry?
About 2,000 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Silverado Canyn RD over Silverado Canyon Creek?
The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 27 ft wide.
Who owns Silverado Canyn RD over Silverado Canyon Creek?
It is owned by the County Highway Agency.