State Route 20 over Wadsworth Canal
Sutter County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Route 20 over Wadsworth Canal in Sutter County, California, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2021, making it 4 years old at the 2025 inventory.
- It carries about 10,500 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 41 of the 121 inventoried bridges in Sutter County rated good (33.9%); 16 (13.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, on a 48-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.14211, -121.74321)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 182 ft |
| Location | 03-sut-020-9.76 |
| NBI structure number | 18 0052 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Sutter County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 5TH Street over Feather River | 2019 | 67,000 | Good |
| 5TH Street over 2ND Street Sutter Street | 2019 | 67,000 | Good |
| State Route 20 over Feather River K St UP RR | 1947 | 48,000 | Fair |
| State Route 20 over Abandoned UP RR Spur | 1946 | 41,750 | Good |
| State Route 20 over Sutter Street | 1946 | 41,750 | Good |
| State Route 99 SB over Cross Canal | 1949 | 18,750 | Fair |
All bridges nearby: Sutter County, CA bridge conditions · every bridge in Sutter County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.