SB I-5 (truck) over Route 405
GoodLos Angeles County, California · 07-LA-005-41.55-LA · Structure no. 53 1548
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 355 ft
- 2 main spans
- Daily traffic
- 131,438
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
SB I-5 (truck) over Route 405 is a prestressed concrete continuous box beam or girders - multiple carrying SB I-5 (truck) over Route 405 in Los Angeles County, California. It was built in 1974, so it is 51 years old, younger 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 131,438 vehicles a day, roughly 13% of them trucks, projected to reach 171,894 by 2043. The structure is 355 ft (108.2 m) long and 39 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 SB I-5 (truck) over Route 405 built?
It was built in 1974, making it 51 years old in 2025.
What condition is SB I-5 (truck) over Route 405 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 January 2025.
How much traffic does SB I-5 (truck) over Route 405 carry?
About 131,438 vehicles per day (2018 count), of which roughly 13% are trucks.
How long is SB I-5 (truck) over Route 405?
The structure is 355 ft (108.2 m) long with a longest span of 177 ft (54 m) and a deck 39 ft wide.
Who owns SB I-5 (truck) over Route 405?
It is owned by the State Highway Agency.