CO RD #99W over Wilson Creek Overflow
GoodGlenn County, California · 0.5 MI N CO RD #45 · Structure no. 11C0192
- Built
- 1915
- 110 years old, rebuilt 1937
- Condition
- Good
- inspected February 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 89 ft
- 8 main spans
- Daily traffic
- 2,678
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
CO RD #99W over Wilson Creek Overflow is a concrete continuous culvert carrying CO RD #99W over Wilson Creek Overflow in Glenn County, California. It was built in 1915 and reconstructed in 1937, so it is 110 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 2,678 vehicles a day, roughly 20% of them trucks, projected to reach 3,077 by 2047. The structure is 89 ft (27.1 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO RD #99W over Wilson Creek Overflow built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1937.
What condition is CO RD #99W over Wilson Creek Overflow 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 2025.
How much traffic does CO RD #99W over Wilson Creek Overflow carry?
About 2,678 vehicles per day (2009 count), of which roughly 20% are trucks.
How long is CO RD #99W over Wilson Creek Overflow?
The structure is 89 ft (27.1 m) long with a longest span of 11 ft (3.4 m) and a deck 39 ft wide.
Who owns CO RD #99W over Wilson Creek Overflow?
It is owned by the County Highway Agency.