State Route 55 over Newport Beach Channel
GoodOrange County, California · 12-ORA-055-0.18-NPTB · Structure no. 55 0035
- Built
- 1936
- 89 years old, rebuilt 1999
- Condition
- Good
- inspected January 2024
- Type
- Girder and Floorbeam System
- Prestressed Concrete
- Length
- 206 ft
- 5 main spans
- Daily traffic
- 47,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 55 over Newport Beach Channel is a prestressed concrete girder and floorbeam system carrying State Route 55 over Newport Beach Channel in Orange County, California. It was built in 1936 and reconstructed in 1999, so it is 89 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 47,000 vehicles a day, roughly 1% of them trucks, projected to reach 58,281 by 2044. The structure is 206 ft (62.8 m) long and 124 ft wide. If it were closed, the detour would be 1.2 mi (2 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 State Route 55 over Newport Beach Channel built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1999.
What condition is State Route 55 over Newport Beach Channel 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 2024.
How much traffic does State Route 55 over Newport Beach Channel carry?
About 47,000 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is State Route 55 over Newport Beach Channel?
The structure is 206 ft (62.8 m) long with a longest span of 46 ft (14 m) and a deck 124 ft wide.
Who owns State Route 55 over Newport Beach Channel?
It is owned by the State Highway Agency.