Interstate 405 over Navy RR Spur
GoodOrange County, California · 12-ORA-405-18.36-WTM · Structure no. 55 0272
- Built
- 1965
- 60 years old, rebuilt 1989
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 177 ft
- 3 main spans
- Daily traffic
- 256,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 405 over Navy RR Spur is a concrete continuous tee beam carrying Interstate 405 over Navy RR Spur in Orange County, California. It was built in 1965 and reconstructed in 1989, so it is 60 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 256,000 vehicles a day, roughly 4% of them trucks, projected to reach 343,000 by 2040. The structure is 177 ft (53.9 m) long and 155 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 405 over Navy RR Spur built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1989.
What condition is Interstate 405 over Navy RR Spur 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 September 2023.
How much traffic does Interstate 405 over Navy RR Spur carry?
About 256,000 vehicles per day (2014 count), of which roughly 4% are trucks.
How long is Interstate 405 over Navy RR Spur?
The structure is 177 ft (53.9 m) long with a longest span of 64 ft (19.5 m) and a deck 155 ft wide.
Who owns Interstate 405 over Navy RR Spur?
It is owned by the State Highway Agency.