U.S. Highway 101 over 1st Street
FairLos Angeles County, California · 07-LA-101-S0.91-LA · Structure no. 53 0582
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 188 ft
- 3 main spans
- Daily traffic
- 140,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over 1st Street is a concrete continuous box beam or girders - multiple carrying U.S. Highway 101 over 1st Street in Los Angeles County, California. It was built in 1947, so it is 78 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 5 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 140,000 vehicles a day, roughly 8% of them trucks, projected to reach 156,311 by 2043. The structure is 188 ft (57.3 m) long and 84 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Highway 101 over 1st Street built?
It was built in 1947, making it 78 years old in 2025.
What condition is U.S. Highway 101 over 1st Street 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 April 2023.
How much traffic does U.S. Highway 101 over 1st Street carry?
About 140,000 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is U.S. Highway 101 over 1st Street?
The structure is 188 ft (57.3 m) long with a longest span of 84 ft (25.6 m) and a deck 84 ft wide.
Who owns U.S. Highway 101 over 1st Street?
It is owned by the State Highway Agency.