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Warren Shingle Roa over Branch of Hutchinson Cre

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

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

Warren Shingle Roa over Branch of Hutchinson Cre in Yuba County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1951, making it 74 years old at the 2025 inventory.
It carries about 5,100 vehicles a day (traffic count year 2016).
It is one of 66 of the 127 inventoried bridges in Yuba County rated fair (52.0%); 9 (7.1%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 21 ft
Location	0.25 Miles East of Inters
NBI structure number	AFCABAEY02608
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 70 over Feather River Blvd	1956	37,500	Good
State Route 70 over Yuba River UP RR Spur	1960	37,500	Good
State Route 70 over W70-beale Road Off-ramp	1956	37,500	Fair
State Route 70 over First Street	1960	37,500	Good
State Route 65 over Grasshopper Slough	1915	25,000	Fair
State Route 65 over Best Slough	1915	25,000	Good