Donner Pass Road over South Yuba River
FairPlacer County, California · North of Yuba Drive · Structure no. 19C0025
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Concrete
- Length
- 78 ft
- 2 main spans
- Daily traffic
- 250
- 1978 count
- Owner
- County
- County Highway Agency
About this bridge
Donner Pass Road over South Yuba River is a concrete tee beam carrying Donner Pass Road over South Yuba River in Placer County, California. It was built in 1929, so it is 96 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 5 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2041. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Donner Pass Road over South Yuba River built?
It was built in 1929, making it 96 years old in 2025.
What condition is Donner Pass Road over South Yuba River 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 Donner Pass Road over South Yuba River carry?
About 250 vehicles per day (1978 count), of which roughly 2% are trucks.
How long is Donner Pass Road over South Yuba River?
The structure is 78 ft (23.8 m) long with a longest span of 37 ft (11.4 m) and a deck 27 ft wide.
Who owns Donner Pass Road over South Yuba River?
It is owned by the County Highway Agency.