N/B Moulton Pkwy over Aliso Creek
GoodOrange County, California · 1.5 MI S El Toro RD · Structure no. 55C0221R
- Built
- 1969
- 56 years old, rebuilt 1983
- Condition
- Good
- inspected June 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 188 ft
- 4 main spans
- Daily traffic
- 11,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
N/B Moulton Pkwy over Aliso Creek is a concrete continuous tee beam carrying N/B Moulton Pkwy over Aliso Creek in Orange County, California. It was built in 1969 and reconstructed in 1983, so it is 56 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 11,000 vehicles a day, roughly 1% of them trucks, projected to reach 28,468 by 2046. The structure is 188 ft (57.3 m) long and 52 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 N/B Moulton Pkwy over Aliso Creek built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1983.
What condition is N/B Moulton Pkwy over Aliso Creek 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 2024.
How much traffic does N/B Moulton Pkwy over Aliso Creek carry?
About 11,000 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is N/B Moulton Pkwy over Aliso Creek?
The structure is 188 ft (57.3 m) long with a longest span of 52 ft (15.8 m) and a deck 52 ft wide.
Who owns N/B Moulton Pkwy over Aliso Creek?
It is owned by the City or Municipal Highway Agency.