Road 59 over Colusa Drain
GoodGlenn County, California · 1.4 MI W HWY 45 · Structure no. 11C0139
- Built
- 1945
- 80 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 61 ft
- 3 main spans
- Daily traffic
- 113
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Road 59 over Colusa Drain is a steel stringer/multi-beam or girder carrying Road 59 over Colusa Drain in Glenn County, California. It was built in 1945, so it is 80 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 113 vehicles a day, roughly 30% of them trucks, projected to reach 143 by 2042. The structure is 61 ft (18.6 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 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 Road 59 over Colusa Drain built?
It was built in 1945, making it 80 years old in 2025.
What condition is Road 59 over Colusa Drain 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 February 2024.
How much traffic does Road 59 over Colusa Drain carry?
About 113 vehicles per day (2011 count), of which roughly 30% are trucks.
How long is Road 59 over Colusa Drain?
The structure is 61 ft (18.6 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.
Who owns Road 59 over Colusa Drain?
It is owned by the County Highway Agency.