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Old Hwy 46;500 E over Camas Creek

Camas County, Idaho · rated Fair in the 2025 National Bridge Inventory

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

Old Hwy 46;500 E over Camas Creek in Camas County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 20 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 38 of the 62 inventoried bridges in Camas County rated fair (61.3%); 7 (11.3%) 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


Structure	Timber stringer or multi-beam girder
Length	about 35 ft
Location	3.2 S. 5.0 E. Fairfield
NBI structure number	000000000023875
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 20 over Willow Creek	2019	2,200	Good
US 20 over No Name Creek	1961	1,900	Fair
US 20 over Hot Creek	1961	1,900	Fair
US 20 over Arnold Creek	1961	1,900	Fair
US 20 over Chimney Cr.;sheep CR.	1961	1,900	Fair
US 20 over Corral Creek	1969	1,900	Fair