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SR-165 over Blacksmith Fork River

Cache County, Utah · rated Good in the 2025 National Bridge Inventory

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

SR-165 over Blacksmith Fork River in Cache County, Utah, 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 1991, making it 34 years old at the 2025 inventory.
It carries about 14,329 vehicles a day (traffic count year 2012).
Its listed owner is the state highway agency.
It is one of 17 of the 96 inventoried bridges in Cache County rated good (17.7%); 7 (7.3%) 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 72 ft
Location	North edge of Nibley
NBI structure number	005057F
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US-91 (SR-91) over Logan River	1918	44,297	Fair
US-91 (SR-91) over Blacksmith Fork River	1958	21,964	Good
SR-252 1000 W.St. over Logan River	1978	17,023	Fair
US-91 (SR-91) over Little Bear River	1947	16,370	Fair
1000 South St. over Logan River	1994	14,995	Fair
600 E. and 800 N. over Logan-northern Canal	1995	10,076	Fair