Midway RD over Lost Slough
GoodButte County, California · 0.6 MI N of Nelson RD · Structure no. 12C0042
- Built
- 1915
- 110 years old, rebuilt 1945
- Condition
- Good
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 28 ft
- 3 main spans
- Daily traffic
- 1,380
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Midway RD over Lost Slough is a concrete continuous culvert carrying Midway RD over Lost Slough in Butte County, California. It was built in 1915 and reconstructed in 1945, 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,380 vehicles a day, roughly 14% of them trucks, projected to reach 2,130 by 2042. The structure is 28 ft (8.5 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Midway RD over Lost Slough built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1945.
What condition is Midway RD over Lost 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 November 2024.
How much traffic does Midway RD over Lost Slough carry?
About 1,380 vehicles per day (2018 count), of which roughly 14% are trucks.
How long is Midway RD over Lost Slough?
The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 25 ft wide.
Who owns Midway RD over Lost Slough?
It is owned by the County Highway Agency.