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State Route 162 over Big Butte Creek Overflow

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

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

State Route 162 over Big Butte Creek Overflow in Glenn 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 1937 and reconstructed in 1964, making it 88 years old at the 2025 inventory.
It carries about 1,500 vehicles a day (traffic count year 2016).
Its listed owner is the state highway agency.
It is one of 91 of the 240 inventoried bridges in Glenn County rated good (37.9%); 17 (7.1%) 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

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