Alton Parkway over San Diego Creek Channel
GoodOrange County, California · 0.3 MI Se/O Jamboree Road · Structure no. 55C0568
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 215 ft
- 4 main spans
- Daily traffic
- 20,300
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Alton Parkway over San Diego Creek Channel is a concrete continuous tee beam carrying Alton Parkway over San Diego Creek Channel in Orange County, California. It was built in 1988, so it is 37 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 20,300 vehicles a day, roughly 7% of them trucks, projected to reach 24,500 by 2041. The structure is 215 ft (65.5 m) long and 114 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 Alton Parkway over San Diego Creek Channel built?
It was built in 1988, making it 37 years old in 2025.
What condition is Alton Parkway over San Diego Creek 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 August 2023.
How much traffic does Alton Parkway over San Diego Creek Channel carry?
About 20,300 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is Alton Parkway over San Diego Creek Channel?
The structure is 215 ft (65.5 m) long with a longest span of 61 ft (18.6 m) and a deck 114 ft wide.
Who owns Alton Parkway over San Diego Creek Channel?
It is owned by the City or Municipal Highway Agency.