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State Route 162 over South Fork Willow Creek

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

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

State Route 162 over South Fork Willow Creek in Glenn 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 1981, making it 44 years old at the 2025 inventory.
It carries about 800 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 132 of the 240 inventoried bridges in Glenn County rated fair (55.0%); 17 (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

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

Bridge	Built	Vehicles/day	Condition
Interstate 5 over Glenn-colusa Drain Ditch	1966	26,000	Good
Interstate 5 over Logan Creek	1970	25,500	Good
Interstate 5 over North Fork Logan Creek	1970	25,500	Good
Interstate 5 SB over Central Irrigation Canal	1966	13,000	Good
Interstate 5 NB over Central Irrigation Canal	1966	13,000	Good
Interstate 5 SB over Cfnr Spur	1966	13,000	Good