Commerce Blvd over Copeland Creek
GoodSonoma County, California · 0.4 MI S Rnpk Expressway · Structure no. 20C0203
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 60 ft
- 2 main spans
- Daily traffic
- 1,000
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Commerce Blvd over Copeland Creek is a concrete continuous slab carrying Commerce Blvd over Copeland Creek in Sonoma County, California. It was built in 1966, so it is 59 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 3,249 by 2045. The structure is 60 ft (18.3 m) long and 49 ft wide. If it were closed, the detour would be 6.2 mi (10 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 Commerce Blvd over Copeland Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Commerce Blvd over Copeland 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 2023.
How much traffic does Commerce Blvd over Copeland Creek carry?
About 1,000 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is Commerce Blvd over Copeland Creek?
The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 49 ft wide.
Who owns Commerce Blvd over Copeland Creek?
It is owned by the City or Municipal Highway Agency.