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Warren Rd over Indian Creek

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

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

Warren Rd over Indian Creek in Calaveras County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1936, making it 89 years old at the 2025 inventory.
It carries about 277 vehicles a day (traffic count year 2011).
Its listed owner is the county highway agency.
It is one of 63 of the 108 inventoried bridges in Calaveras County rated fair (58.3%); 6 (5.6%) 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

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

Bridge	Built	Vehicles/day	Condition
State Route 4 over Murphys Grade Road	2009	9,150	Good
State Route 4 over Angels Creek	2009	9,150	Good
State Route 49 over Angels Creek	1909	9,100	Fair
State Route 49 over Cherokee Creek	1941	8,050	Good
State Route 12 over Lime Creek	1939	8,000	Fair
State Route 4 over Waterman Creek	1941	7,900	Fair