Petaluma Blvd N over Petaluma River
GoodSonoma County, California · 0.2 MI S JCT US 101 · Structure no. 20C0056L
- Built
- 1925
- 100 years old
- Condition
- Good
- inspected April 2024
- Type
- Tee Beam
- Concrete
- Length
- 114 ft
- 3 main spans
- Daily traffic
- 4,200
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Petaluma Blvd N over Petaluma River is a concrete tee beam carrying Petaluma Blvd N over Petaluma River in Sonoma County, California. It was built in 1925, so it is 100 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 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 10,903 by 2046. The structure is 114 ft (34.7 m) long and 34 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Petaluma Blvd N over Petaluma River built?
It was built in 1925, making it 100 years old in 2025.
What condition is Petaluma Blvd N 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 April 2024.
How much traffic does Petaluma Blvd N over Petaluma River carry?
About 4,200 vehicles per day (2010 count), of which roughly 2% are trucks.
How long is Petaluma Blvd N over Petaluma River?
The structure is 114 ft (34.7 m) long with a longest span of 40 ft (12.1 m) and a deck 34 ft wide.
Who owns Petaluma Blvd N over Petaluma River?
It is owned by the City or Municipal Highway Agency.