Donner Pass RD over South Yuba River
GoodNevada County, California · .5 MI W/O Soda Springs RD · Structure no. 17C0050
- Built
- 1924
- 101 years old, rebuilt 1937
- Condition
- Good
- inspected August 2024
- Type
- Tee Beam
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 1,020
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Donner Pass RD over South Yuba River is a concrete tee beam carrying Donner Pass RD over South Yuba River in Nevada County, California. It was built in 1924 and reconstructed in 1937, so it is 101 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 1,020 vehicles a day, roughly 10% of them trucks, projected to reach 1,552 by 2046. The structure is 24 ft (7.3 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Donner Pass RD over South Yuba River built?
It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1937.
What condition is Donner Pass RD over South Yuba River 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 August 2024.
How much traffic does Donner Pass RD over South Yuba River carry?
About 1,020 vehicles per day (2016 count), of which roughly 10% are trucks.
How long is Donner Pass RD over South Yuba River?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (6.9 m) and a deck 29 ft wide.
Who owns Donner Pass RD over South Yuba River?
It is owned by the County Highway Agency.