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State Route 49 over Rancheria Creek

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

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

State Route 49 over Rancheria Creek in Amador County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1983, making it 42 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 25 of the 61 inventoried bridges in Amador County rated fair (41.0%); 15 (24.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous prestressed concrete multiple box beam
Length	about 330 ft
Location	10-ama-049-12.14
NBI structure number	26 0017
Condition class	Fair

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 104 over Sutter Creek	1970	11,000	Poor
State Route 49 over Dry Creek	1995	11,000	Fair