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Main Street over Salt Creek

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

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

Main Street over Salt Creek in Shasta 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 1950, making it 75 years old at the 2025 inventory.
It carries about 500 vehicles a day (traffic count year 1998).
Its listed owner is the county highway agency.
It is one of 233 of the 493 inventoried bridges in Shasta County rated fair (47.3%); 11 (2.2%) 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	0.1 Mi E Grand River Ave
NBI structure number	06C0266
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Interstate 5 NB over Balls Ferry Rd	1966	78,000	Good
Interstate Route 5 over UPRR Railroad Tracks	2022	55,000	Fair
Interstate Route 5 over Anderson Creek	2022	55,000	Good
Interstate 5 over Boulder Creek	1965	53,000	Fair
Interstate 5 over Sacramento River	2003	51,000	Good
State Route 44 over Sacramento River	2010	51,000	Good