Interstate 605 over UP RR Downey-Norwalk RD
GoodLos Angeles County, California · 07-LA-605-R8.23-NRW · Structure no. 53 1652
- Built
- 1966
- 59 years old, rebuilt 1993
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 433 ft
- 8 main spans
- Daily traffic
- 297,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 605 over UP RR Downey-Norwalk RD is a concrete continuous box beam or girders - multiple carrying Interstate 605 over UP RR Downey-Norwalk RD in Los Angeles County, California. It was built in 1966 and reconstructed in 1993, 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 297,000 vehicles a day, roughly 6% of them trucks, projected to reach 305,454 by 2040. The structure is 433 ft (132 m) long and 210 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 605 over UP RR Downey-Norwalk RD built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1993.
What condition is Interstate 605 over UP RR Downey-Norwalk RD 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 August 2023.
How much traffic does Interstate 605 over UP RR Downey-Norwalk RD carry?
About 297,000 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Interstate 605 over UP RR Downey-Norwalk RD?
The structure is 433 ft (132 m) long with a longest span of 71 ft (21.7 m) and a deck 210 ft wide.
Who owns Interstate 605 over UP RR Downey-Norwalk RD?
It is owned by the State Highway Agency.