C. R. 87B over Cottonwood Slough
GoodYolo County, California · 0.55 MI S of C. R. 23 · Structure no. 22C0107
- Built
- 1930
- 95 years old
- Condition
- Good
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 66
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
C. R. 87B over Cottonwood Slough is a concrete tee beam carrying C. R. 87B over Cottonwood Slough in Yolo County, California. It was built in 1930, so it is 95 years old, older 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 66 vehicles a day, roughly 1% of them trucks, projected to reach 109 by 2041. The structure is 29 ft (8.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was C. R. 87B over Cottonwood Slough built?
It was built in 1930, making it 95 years old in 2025.
What condition is C. R. 87B over Cottonwood Slough 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 October 2023.
How much traffic does C. R. 87B over Cottonwood Slough carry?
About 66 vehicles per day (2003 count), of which roughly 1% are trucks.
How long is C. R. 87B over Cottonwood Slough?
The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.
Who owns C. R. 87B over Cottonwood Slough?
It is owned by the County Highway Agency.