Aliso Creek Road over SR 73 & Ramps
GoodOrange County, California · 12-ORA-073-14.39-LGNG · Structure no. 55 0755
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 385 ft
- 3 main spans
- Daily traffic
- 10,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Aliso Creek Road over SR 73 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying Aliso Creek Road over SR 73 & Ramps in Orange County, California. It was built in 1996, so it is 29 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 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 11,000 by 2040. The structure is 385 ft (117.5 m) long and 122 ft wide. If it were closed, the detour would be 2.5 mi (4 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 Aliso Creek Road over SR 73 & Ramps built?
It was built in 1996, making it 29 years old in 2025.
What condition is Aliso Creek Road over SR 73 & Ramps 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 November 2023.
How much traffic does Aliso Creek Road over SR 73 & Ramps carry?
About 10,000 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Aliso Creek Road over SR 73 & Ramps?
The structure is 385 ft (117.5 m) long with a longest span of 200 ft (61 m) and a deck 122 ft wide.
Who owns Aliso Creek Road over SR 73 & Ramps?
It is owned by the State Highway Agency.