Route 101N Onramp over Upp Creek
GoodMendocino County, California · 01-MEN-101-48.31 · Structure no. 10 0174S
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 115 ft
- 1 main span
- Daily traffic
- 8,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Route 101N Onramp over Upp Creek is a concrete box beam or girders - multiple carrying Route 101N Onramp over Upp Creek in Mendocino County, California. It was built in 2016, so it is 9 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 8,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,283 by 2041. The structure is 115 ft (35 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 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 Route 101N Onramp over Upp Creek built?
It was built in 2016, making it 9 years old in 2025.
What condition is Route 101N Onramp over Upp 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 April 2023.
How much traffic does Route 101N Onramp over Upp Creek carry?
About 8,000 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Route 101N Onramp over Upp Creek?
The structure is 115 ft (35 m) long with a longest span of 112 ft (34.2 m) and a deck 27 ft wide.
Who owns Route 101N Onramp over Upp Creek?
It is owned by the State Highway Agency.