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Forest Road 1858 over Newsome Creek

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

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

Forest Road 1858 over Newsome Creek in Idaho 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1962 and reconstructed in 1991, making it 63 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 114 of the 216 inventoried bridges in Idaho County rated fair (52.8%); 15 (6.9%) 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 49 ft
Location	Newsome Drainage
NBI structure number	011708000000015
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 95 over Lawyers Canyon Creek	1991	3,500	Fair
US 95 over Little Salmon River	1975	3,100	Fair
SH 13 over M.fk.clearwater River	1994	3,000	Good
US 95 over Cottonwood Creek	1978	3,000	Fair
US 95 over Whitebird Creek	1975	2,800	Fair
US 95 over Little Salmon River	2017	2,600	Good