Corona RD over Petaluma River
GoodSonoma County, California · N of Petaluma Blvd · Structure no. 20C0299
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 138 ft
- 5 main spans
- Daily traffic
- 4,800
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Corona RD over Petaluma River is a concrete continuous slab carrying Corona RD over Petaluma River in Sonoma County, California. It was built in 1977, so it is 48 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 4,800 vehicles a day, roughly 4% of them trucks, projected to reach 5,769 by 2047. The structure is 138 ft (42 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Corona RD over Petaluma River built?
It was built in 1977, making it 48 years old in 2025.
What condition is Corona RD over Petaluma River 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 February 2025.
How much traffic does Corona RD over Petaluma River carry?
About 4,800 vehicles per day (2012 count), of which roughly 4% are trucks.
How long is Corona RD over Petaluma River?
The structure is 138 ft (42 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.
Who owns Corona RD over Petaluma River?
It is owned by the County Highway Agency.