N&S101-E380 Cnnctr over US 101 Rmps North Chnl
FairSan Mateo County, California · 04-SM-101-R20.69-SBR · Structure no. 35 0272H
- Built
- 1976
- 49 years old, rebuilt 1987
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 2,188 ft
- 10 main spans
- Daily traffic
- 10,000
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
N&S101-E380 Cnnctr over US 101 Rmps North Chnl is a prestressed concrete continuous box beam or girders - multiple carrying N&S101-E380 Cnnctr over US 101 Rmps North Chnl in San Mateo County, California. It was built in 1976 and reconstructed in 1987, 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 fair condition with a lowest component rating of 5 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 10,000 vehicles a day, roughly 2% of them trucks, projected to reach 16,459 by 2040. The structure is 2,188 ft (666.8 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 N&S101-E380 Cnnctr over US 101 Rmps North Chnl built?
It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1987.
What condition is N&S101-E380 Cnnctr over US 101 Rmps North Chnl 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 April 2023.
How much traffic does N&S101-E380 Cnnctr over US 101 Rmps North Chnl carry?
About 10,000 vehicles per day (1998 count), of which roughly 2% are trucks.
How long is N&S101-E380 Cnnctr over US 101 Rmps North Chnl?
The structure is 2,188 ft (666.8 m) long with a longest span of 155 ft (47.3 m) and a deck 31 ft wide.
Who owns N&S101-E380 Cnnctr over US 101 Rmps North Chnl?
It is owned by the State Highway Agency.