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Interstate 80 over Hinton Road

Nevada County, California · rated Good in the 2025 National Bridge Inventory

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

Interstate 80 over Hinton Road in Nevada County, California, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 27,500 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 63 of the 137 inventoried bridges in Nevada County rated good (46.0%); 19 (13.9%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 94 ft
Location	03-nev-080-23.57
NBI structure number	17 0060
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
State Route 20 over Idaho-maryland Road	1969	47,000	Fair
State Route 20 over Wolf Creek	1969	47,000	Good
State Route 20 over SR 174 (colfax) Auburn	1970	43,000	Good
State Route 20 over Bank Street	1969	34,500	Good
State Route 20 over Bennett Street	1969	34,500	Fair
Interstate 80 over Donner Pass Road	1991	34,000	Fair