State Route 1 over Santa Ana River
FairOrange County, California · 12-ORA-001-21.55-HNTB · Structure no. 55 0001
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 563 ft
- 5 main spans
- Daily traffic
- 32,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 over Santa Ana River is a prestressed concrete continuous stringer/multi-beam or girder carrying State Route 1 over Santa Ana River in Orange County, California. It was built in 1992, so it is 33 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 32,000 vehicles a day, roughly 1% of them trucks, projected to reach 42,908 by 2040. The structure is 563 ft (171.6 m) long and 118 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 1 over Santa Ana River built?
It was built in 1992, making it 33 years old in 2025.
What condition is State Route 1 over Santa Ana River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.
How much traffic does State Route 1 over Santa Ana River carry?
About 32,000 vehicles per day (2014 count), of which roughly 1% are trucks.
How long is State Route 1 over Santa Ana River?
The structure is 563 ft (171.6 m) long with a longest span of 120 ft (36.6 m) and a deck 118 ft wide.
Who owns State Route 1 over Santa Ana River?
It is owned by the State Highway Agency.