Lassen ST over Aliso Creek
GoodLos Angeles County, California · 0.1MI W/O Reseda Blvd · Structure no. 53C1226
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 26,656
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Lassen ST over Aliso Creek is a concrete culvert carrying Lassen ST over Aliso Creek in Los Angeles County, California. It was built in 1966, so it is 59 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 26,656 vehicles a day, roughly 2% of them trucks, projected to reach 50,288 by 2042. The structure is 26 ft (7.9 m) long and 92 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 Lassen ST over Aliso Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Lassen ST over Aliso 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 October 2024.
How much traffic does Lassen ST over Aliso Creek carry?
About 26,656 vehicles per day (2016 count), of which roughly 2% are trucks.
How long is Lassen ST over Aliso Creek?
The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7.1 m) and a deck 92 ft wide.
Who owns Lassen ST over Aliso Creek?
It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.