Bridge conditions in Sutter County, California
121 inventoried bridges · 16 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Sutter County has 16 bridges rated poor out of 121 inventoried, a 13.2% share that puts it well above the national rate of about 7%.
- 16 of the 121 bridges in Sutter County, California, are rated in poor condition (13.2%) in the 2025 National Bridge Inventory, as of .
- 41 bridges (33.9%) are rated good and 64 (52.9%) fair.
- The median Sutter County bridge was built in 1970.
- The busiest poor-rated bridge is State Route 20 over Sutter Bypass (built 1938), carrying about 7,600 vehicles a day.
Good 33.9% · Fair 52.9% · Poor 13.2% of 121 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 20 over Sutter Bypass | 1938 | 7,600 | Poor |
| Pleasant Grove Rd over Sciata Creek | 1988 | 1,190 | Poor |
| Larkin Rd over S Brnch Sutter-butte Cnl | 1925 | 1,159 | Poor |
| Reclamation Rd over Tisdale Rd Tisdale Byps | 1964 | 737 | Poor |
| Clark Rd over Sutter-butte Cnl S Brnch | 1950 | 690 | Poor |
| Kent Road over Sutter-butte Canal | 1938 | 389 | Poor |
| Sacramento Ave over Sutter Bypass E Channel | 1975 | 334 | Poor |
| Nuestro Rd over Snake River | 1925 | 325 | Poor |
| Nuestro Road over Sutter Co Extension Cnl | 1940 | 325 | Poor |
| Cooley Road over Sutter-butte Canal | 1910 | 193 | Poor |
| Sanders Rd over Sutter Co Extension Cnl | 1940 | 177 | Poor |
| West Butte Rd over Cherokee Drain | 1920 | 97 | Poor |
| Cranmore Rd over Westside Canal | 1925 | 61 | Poor |
| Armour Road over Pheasant Canal | 1950 | 55 | Poor |
| Archer Road over Sutter-butte Canal | 1950 | 43 | Poor |
| Tisdale Rd over Westside Canal | 1925 | 12 | Poor |
Busiest bridges in the 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 |
| State Route 99 NB over Cross Canal | 1990 | 18,750 | Fair |
| State Route 99 SB over Howsley Road | 1990 | 18,750 | Good |
| State Route 99 NB over Howsley Road | 1990 | 18,750 | Good |
| State Route 99 SB over Feather River | 1958 | 16,100 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of California: California bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.