Oso Parkway over Oso Creek
GoodOrange County, California · 0.4 Mi. E/O Route 5 Fwy · Structure no. 55C0280
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 55,000
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Oso Parkway over Oso Creek is a concrete culvert carrying Oso Parkway over Oso Creek in Orange County, California. It was built in 1972, so it is 53 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 55,000 vehicles a day, roughly 1% of them trucks, projected to reach 78,620 by 2044. The structure is 45 ft (13.7 m) long and 121 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oso Parkway over Oso Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Oso Parkway over Oso 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 May 2024.
How much traffic does Oso Parkway over Oso Creek carry?
About 55,000 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Oso Parkway over Oso Creek?
The structure is 45 ft (13.7 m) long with a longest span of 12 ft (3.7 m) and a deck 121 ft wide.
Who owns Oso Parkway over Oso Creek?
It is owned by the City or Municipal Highway Agency.