Rosemont Ave over Route 101
FairLos Angeles County, California · 07-LA-101-3.01-LA · Structure no. 53 0616
- Built
- 1949
- 76 years old
- Condition
- Fair
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 153 ft
- 2 main spans
- Daily traffic
- 5,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rosemont Ave over Route 101 is a concrete continuous box beam or girders - multiple carrying Rosemont Ave over Route 101 in Los Angeles County, California. It was built in 1949, so it is 76 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,000 vehicles a day, roughly 2% of them trucks, projected to reach 7,832 by 2042. The structure is 153 ft (46.6 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rosemont Ave over Route 101 built?
It was built in 1949, making it 76 years old in 2025.
What condition is Rosemont Ave over Route 101 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does Rosemont Ave over Route 101 carry?
About 5,000 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Rosemont Ave over Route 101?
The structure is 153 ft (46.6 m) long with a longest span of 73 ft (22.3 m) and a deck 52 ft wide.
Who owns Rosemont Ave over Route 101?
It is owned by the State Highway Agency.