Interstate 605 SB over Santa Fe Flood Basin
GoodLos Angeles County, California · 07-LA-605-25.09-IRW · Structure no. 53 2030L
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,302 ft
- 13 main spans
- Daily traffic
- 74,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 605 SB over Santa Fe Flood Basin is a prestressed concrete stringer/multi-beam or girder carrying Interstate 605 SB over Santa Fe Flood Basin in Los Angeles County, California. It was built in 1970, so it is 55 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 74,000 vehicles a day, roughly 7% of them trucks, projected to reach 81,200 by 2045. The structure is 1,302 ft (396.8 m) long and 68 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 605 SB over Santa Fe Flood Basin built?
It was built in 1970, making it 55 years old in 2025.
What condition is Interstate 605 SB over Santa Fe Flood Basin 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 May 2024.
How much traffic does Interstate 605 SB over Santa Fe Flood Basin carry?
About 74,000 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Interstate 605 SB over Santa Fe Flood Basin?
The structure is 1,302 ft (396.8 m) long with a longest span of 101 ft (30.8 m) and a deck 68 ft wide.
Who owns Interstate 605 SB over Santa Fe Flood Basin?
It is owned by the State Highway Agency.