State Route 20 over Feather River K ST UP RR
FairSutter County, California · 03-SUT-020-17.00-YC · Structure no. 18 0009
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected September 2023
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 2,674 ft
- 24 main spans
- Daily traffic
- 48,000
- 2012 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 20 over Feather River K ST UP RR is a steel continuous girder and floorbeam system carrying State Route 20 over Feather River K ST UP RR in Sutter County, California. It was built in 1947, so it is 78 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 48,000 vehicles a day, roughly 5% of them trucks, projected to reach 78,367 by 2041. The structure is 2,674 ft (815 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 20 over Feather River K ST UP RR built?
It was built in 1947, making it 78 years old in 2025.
What condition is State Route 20 over Feather River K ST UP RR 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 September 2023.
How much traffic does State Route 20 over Feather River K ST UP RR carry?
About 48,000 vehicles per day (2012 count), of which roughly 5% are trucks.
How long is State Route 20 over Feather River K ST UP RR?
The structure is 2,674 ft (815 m) long with a longest span of 161 ft (49 m) and a deck 68 ft wide.
Who owns State Route 20 over Feather River K ST UP RR?
It is owned by the State Highway Agency.