Las Rocas DR over Sierra Madre Wash
GoodPosted for loadLos Angeles County, California · 0.6MI W/O Santa Anita Ave · Structure no. 53C1037
- Built
- 1928
- 97 years old
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 378
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Las Rocas DR over Sierra Madre Wash is a concrete tee beam carrying Las Rocas DR over Sierra Madre Wash in Los Angeles County, California. It was built in 1928, so it is 97 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. Its operating status is: posted for load restriction.
It carries about 378 vehicles a day, roughly 2% of them trucks, projected to reach 378 by 2042. The structure is 28 ft (8.5 m) long and 23 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Las Rocas DR over Sierra Madre Wash built?
It was built in 1928, making it 97 years old in 2025.
What condition is Las Rocas DR over Sierra Madre Wash 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 May 2023.
How much traffic does Las Rocas DR over Sierra Madre Wash carry?
About 378 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is Las Rocas DR over Sierra Madre Wash?
The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.
Who owns Las Rocas DR over Sierra Madre Wash?
It is owned by the City or Municipal Highway Agency.