Muirlands Blvd. over Aliso Creek
GoodOrange County, California · 200 Nw/O Los Alisos Blvd · Structure no. 55C0218
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected September 2022
- Type
- Slab
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 22,000
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Muirlands Blvd. over Aliso Creek is a prestressed concrete slab carrying Muirlands Blvd. over Aliso Creek in Orange County, California. It was built in 1973, so it is 52 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 22,000 vehicles a day, roughly 2% of them trucks, projected to reach 26,556 by 2044. The structure is 51 ft (15.5 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Muirlands Blvd. over Aliso Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is Muirlands Blvd. 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 September 2022.
How much traffic does Muirlands Blvd. over Aliso Creek carry?
About 22,000 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is Muirlands Blvd. over Aliso Creek?
The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 78 ft wide.
Who owns Muirlands Blvd. over Aliso Creek?
It is owned by the City or Municipal Highway Agency.