I-5 Sup Route over Los Angeles River
GoodLos Angeles County, California · 07-LA-005S-25.70-LA · Structure no. 53 1072
- Built
- 1957
- 68 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 343 ft
- 3 main spans
- Daily traffic
- 20,787
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 Sup Route over Los Angeles River is a steel stringer/multi-beam or girder carrying I-5 Sup Route over Los Angeles River in Los Angeles County, California. It was built in 1957, so it is 68 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 20,787 vehicles a day, roughly 8% of them trucks, projected to reach 25,553 by 2042. The structure is 343 ft (104.6 m) long and 82 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 I-5 Sup Route over Los Angeles River built?
It was built in 1957, making it 68 years old in 2025.
What condition is I-5 Sup Route over Los Angeles River 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 February 2024.
How much traffic does I-5 Sup Route over Los Angeles River carry?
About 20,787 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is I-5 Sup Route over Los Angeles River?
The structure is 343 ft (104.6 m) long with a longest span of 130 ft (39.6 m) and a deck 82 ft wide.
Who owns I-5 Sup Route over Los Angeles River?
It is owned by the State Highway Agency.