SR 164 (rosemead) over Flood Flow Channel
GoodLos Angeles County, California · 07-LA-164-2.06 · Structure no. 53C2393
- Built
- 1952
- 73 years old
- Condition
- Good
- inspected January 2023
- Type
- Tee Beam
- Concrete
- Length
- 295 ft
- 5 main spans
- Daily traffic
- 45,900
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
SR 164 (rosemead) over Flood Flow Channel is a concrete tee beam carrying SR 164 (rosemead) over Flood Flow Channel in Los Angeles County, California. It was built in 1952, so it is 73 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 45,900 vehicles a day, roughly 5% of them trucks, projected to reach 55,642 by 2043. The structure is 295 ft (89.9 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 164 (rosemead) over Flood Flow Channel built?
It was built in 1952, making it 73 years old in 2025.
What condition is SR 164 (rosemead) over Flood Flow Channel 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 January 2023.
How much traffic does SR 164 (rosemead) over Flood Flow Channel carry?
About 45,900 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is SR 164 (rosemead) over Flood Flow Channel?
The structure is 295 ft (89.9 m) long with a longest span of 59 ft (18 m) and a deck 95 ft wide.
Who owns SR 164 (rosemead) over Flood Flow Channel?
It is owned by the County Highway Agency.