US Highway 101 over Frog Woman Slide
GoodMendocino County, California · 01-MEN-101-4.95 · Structure no. 10 0289
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 520 ft
- 4 main spans
- Daily traffic
- 13,300
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 over Frog Woman Slide is a prestressed concrete continuous box beam or girders - multiple carrying US Highway 101 over Frog Woman Slide in Mendocino County, California. It was built in 1998, so it is 27 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 13,300 vehicles a day, roughly 11% of them trucks, projected to reach 22,652 by 2043. The structure is 520 ft (158.5 m) long and 43 ft wide. If it were closed, the detour would be 43.5 mi (70 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 over Frog Woman Slide built?
It was built in 1998, making it 27 years old in 2025.
What condition is US Highway 101 over Frog Woman Slide 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 US Highway 101 over Frog Woman Slide carry?
About 13,300 vehicles per day (2009 count), of which roughly 11% are trucks.
How long is US Highway 101 over Frog Woman Slide?
The structure is 520 ft (158.5 m) long with a longest span of 135 ft (41.2 m) and a deck 43 ft wide.
Who owns US Highway 101 over Frog Woman Slide?
It is owned by the State Highway Agency.