US Highway 101 SB over Highland-Nb 101 on Ramp
PoorLos Angeles County, California · 07-LA-101-7.84-LA · Structure no. 53 0729L
- Built
- 1954
- 71 years old, rebuilt 1977
- Condition
- Poor
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 449 ft
- 5 main spans
- Daily traffic
- 145,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over Highland-Nb 101 on Ramp is a concrete continuous box beam or girders - multiple carrying US Highway 101 SB over Highland-Nb 101 on Ramp in Los Angeles County, California. It was built in 1954 and reconstructed in 1977, so it is 71 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 145,500 vehicles a day, roughly 10% of them trucks, projected to reach 208,225 by 2042. The structure is 449 ft (136.9 m) long and 65 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 US Highway 101 SB over Highland-Nb 101 on Ramp built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1977.
What condition is US Highway 101 SB over Highland-Nb 101 on Ramp in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.
How much traffic does US Highway 101 SB over Highland-Nb 101 on Ramp carry?
About 145,500 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is US Highway 101 SB over Highland-Nb 101 on Ramp?
The structure is 449 ft (136.9 m) long with a longest span of 155 ft (47.2 m) and a deck 65 ft wide.
Who owns US Highway 101 SB over Highland-Nb 101 on Ramp?
It is owned by the State Highway Agency.