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Carona Avenue over South Folk Kopta Slough

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

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

Carona Avenue over South Folk Kopta Slough in Tehama 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 2002, making it 23 years old at the 2025 inventory.
It carries about 300 vehicles a day (traffic count year 2010).
Its listed owner is a city or municipal highway agency.
It is one of 167 of the 447 inventoried bridges in Tehama County rated good (37.4%); 21 (4.7%) 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 Biggs Creek	1940	36,500	Good
Interstate 5 over Taylors Wash	1946	36,000	Fair
Interstate 5 over Thomes Creek	2011	29,500	Fair
Interstate 5 over Kopta Creek	1965	29,000	Fair
Interstate 5 over Las Flores Creek	1965	28,000	Good
Interstate 5 over Branch Coyote Creek	1965	28,000	Good