Home › Idaho › Franklin County › SH 36 over Bear River

SH 36 over Bear River

Franklin County, Idaho · rated Good in the 2025 National Bridge Inventory

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

SH 36 over Bear River in Franklin County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 3,000 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 3 of the 23 inventoried bridges in Franklin County rated good (13.0%); 2 (8.7%) 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


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 273 ft
Location	1.0 W. Preston
NBI structure number	000000000014101
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 91 over Cub River	2006	8,600	Fair
US 91 over Bear River	2006	4,200	Fair
SH 34 over Bear River;riverdale Br	1960	2,800	Fair
US 91 over West Cache Canal	1993	2,300	Good
SH 36 over Bear River	1960	1,300	Fair
SH 34 over Twin Lakes Canal	1958	1,200	Fair