Santiago Canyon RD over Santiago Creek
GoodOrange County, California · 0.3 MI S/O Modjeska RD · Structure no. 55C0049
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected April 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 8,000
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Santiago Canyon RD over Santiago Creek is a concrete continuous tee beam carrying Santiago Canyon RD over Santiago Creek in Orange County, California. It was built in 1967, so it is 58 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 12,365 by 2041. The structure is 197 ft (60 m) long and 33 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Santiago Canyon RD over Santiago Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is Santiago Canyon RD over Santiago Creek 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 April 2023.
How much traffic does Santiago Canyon RD over Santiago Creek carry?
About 8,000 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Santiago Canyon RD over Santiago Creek?
The structure is 197 ft (60 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.
Who owns Santiago Canyon RD over Santiago Creek?
It is owned by the County Highway Agency.