U.S. Highway 101 over North Channel
GoodSan Mateo County, California · 04-SM-101-R20.63 · Structure no. 35 0280
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 73 ft
- 4 main spans
- Daily traffic
- 188,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Highway 101 over North Channel is a concrete continuous culvert carrying U.S. Highway 101 over North Channel in San Mateo County, California. It was built in 1976, so it is 49 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 188,000 vehicles a day, roughly 4% of them trucks, projected to reach 262,591 by 2040. The structure is 73 ft (22.3 m) long.
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 U.S. Highway 101 over North Channel built?
It was built in 1976, making it 49 years old in 2025.
What condition is U.S. Highway 101 over North Channel 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 2023.
How much traffic does U.S. Highway 101 over North Channel carry?
About 188,000 vehicles per day (2009 count), of which roughly 4% are trucks.
How long is U.S. Highway 101 over North Channel?
The structure is 73 ft (22.3 m) long with a longest span of 18 ft (5.5 m).
Who owns U.S. Highway 101 over North Channel?
It is owned by the State Highway Agency.