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State Route 104 over Sutter Creek

Amador County, California · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

State Route 104 over Sutter Creek in Amador County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 11,000 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
It is one of 15 of the 61 inventoried bridges in Amador County rated poor (24.6%); 15 (24.6%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

Bridge	Built	Vehicles/day	Condition
State Route 88 over Rocky Creek	1942	22,300	Good
State Route 49 over Jackson Creek	1948	19,800	Good
State Route 49 over Sutter Creek	2007	13,900	Good
State Route 49 over Amador Creek	2007	13,900	Good
State Route 49 over Rancheria Creek	1983	11,000	Fair
State Route 49 over Dry Creek	1995	11,000	Fair