Old 99W over Stone Corral Creek Ovfl
FairColusa County, California · 0.9 MI S of Wadleigh RD · Structure no. 15C0091
- Built
- 1915
- 110 years old, rebuilt 1933
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 3 main spans
- Daily traffic
- 1,976
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Old 99W over Stone Corral Creek Ovfl is a concrete continuous culvert carrying Old 99W over Stone Corral Creek Ovfl in Colusa County, California. It was built in 1915 and reconstructed in 1933, 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 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 1,976 vehicles a day, roughly 10% of them trucks, projected to reach 3,816 by 2041. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old 99W over Stone Corral Creek Ovfl built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1933.
What condition is Old 99W over Stone Corral Creek Ovfl 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 July 2023.
How much traffic does Old 99W over Stone Corral Creek Ovfl carry?
About 1,976 vehicles per day (2014 count), of which roughly 10% are trucks.
How long is Old 99W over Stone Corral Creek Ovfl?
The structure is 25 ft (7.6 m) long with a longest span of 7 ft (2.1 m).
Who owns Old 99W over Stone Corral Creek Ovfl?
It is owned by the County Highway Agency.