State Route 1 over Kitt HWY Usn RR
GoodOrange County, California · 12-ORA-001-32.36-SLB · Structure no. 55 0065
- Built
- 1944
- 81 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 130 ft
- 6 main spans
- Daily traffic
- 41,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Kitt HWY Usn RR is a concrete continuous slab carrying State Route 1 over Kitt HWY Usn RR in Orange County, California. It was built in 1944, so it is 81 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 41,000 vehicles a day, projected to reach 53,686 by 2040. The structure is 130 ft (39.6 m) long and 87 ft wide. If it were closed, the detour would be 8.7 mi (14 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 State Route 1 over Kitt HWY Usn RR built?
It was built in 1944, making it 81 years old in 2025.
What condition is State Route 1 over Kitt HWY Usn RR 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 June 2023.
How much traffic does State Route 1 over Kitt HWY Usn RR carry?
About 41,000 vehicles per day (2014 count).
How long is State Route 1 over Kitt HWY Usn RR?
The structure is 130 ft (39.6 m) long with a longest span of 34 ft (10.4 m) and a deck 87 ft wide.
Who owns State Route 1 over Kitt HWY Usn RR?
It is owned by the State Highway Agency.