US Highway 101 over Commerce Blvd & Nwprr
FairSonoma County, California · 04-SON-101-15.03-RNPK · Structure no. 20 0287
- Built
- 2012
- 13 years old
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 372 ft
- 3 main spans
- Daily traffic
- 92,000
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 over Commerce Blvd & Nwprr is a prestressed concrete continuous box beam or girders - multiple carrying US Highway 101 over Commerce Blvd & Nwprr in Sonoma County, California. It was built in 2012, so it is 13 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 92,000 vehicles a day, roughly 6% of them trucks, projected to reach 166,227 by 2046. The structure is 372 ft (113.5 m) long and 127 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 over Commerce Blvd & Nwprr built?
It was built in 2012, making it 13 years old in 2025.
What condition is US Highway 101 over Commerce Blvd & Nwprr in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does US Highway 101 over Commerce Blvd & Nwprr carry?
About 92,000 vehicles per day (2012 count), of which roughly 6% are trucks.
How long is US Highway 101 over Commerce Blvd & Nwprr?
The structure is 372 ft (113.5 m) long with a longest span of 131 ft (39.8 m) and a deck 127 ft wide.
Who owns US Highway 101 over Commerce Blvd & Nwprr?
It is owned by the State Highway Agency.