County RD #9 over Tehama-Colusa Canal
GoodGlenn County, California · 0.2 MI E of RD N · Structure no. 11C0250
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 1,066
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
County RD #9 over Tehama-Colusa Canal is a concrete continuous culvert carrying County RD #9 over Tehama-Colusa Canal in Glenn County, California. It was built in 1970, so it is 55 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 1,066 vehicles a day, roughly 10% of them trucks, projected to reach 1,636 by 2043. The structure is 28 ft (8.6 m) long and 112 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD #9 over Tehama-Colusa Canal built?
It was built in 1970, making it 55 years old in 2025.
What condition is County RD #9 over Tehama-Colusa Canal 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 January 2025.
How much traffic does County RD #9 over Tehama-Colusa Canal carry?
About 1,066 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is County RD #9 over Tehama-Colusa Canal?
The structure is 28 ft (8.6 m) long with a longest span of 13 ft (4 m) and a deck 112 ft wide.
Who owns County RD #9 over Tehama-Colusa Canal?
It is owned by the County Highway Agency.