IRR Sherwood RD over Curley Cow Creek
FairMendocino County, California · 9 MI N/W of US HWY 101 · Structure no. 10C0124
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 35 ft
- 2 main spans
- Daily traffic
- 377
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
IRR Sherwood RD over Curley Cow Creek is a steel continuous stringer/multi-beam or girder carrying IRR Sherwood RD over Curley Cow Creek in Mendocino County, California. It was built in 1988, so it is 37 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 377 vehicles a day, roughly 5% of them trucks, projected to reach 434 by 2046. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR Sherwood RD over Curley Cow Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is IRR Sherwood RD over Curley Cow Creek 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 IRR Sherwood RD over Curley Cow Creek carry?
About 377 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is IRR Sherwood RD over Curley Cow Creek?
The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m) and a deck 20 ft wide.
Who owns IRR Sherwood RD over Curley Cow Creek?
It is owned by the County Highway Agency.