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Stc 5804;WESTSIDE over Trout Creek;n.branch

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

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

Stc 5804;WESTSIDE over Trout Creek;n.branch in Boundary 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 1957, making it 68 years old at the 2025 inventory.
It carries about 300 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 47 of the 84 inventoried bridges in Boundary County rated fair (56.0%); 11 (13.1%) 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 23 ft
Location	4.8 S. 2.3 W. Copeland
NBI structure number	000000000020715
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 Bnrr;arizona St.	1972	13,000	Fair
US 95 over Kootenai R;uprr;bnnrs Fy	1984	13,000	Fair
US 95 over Deep Cr;bnrr;uprr;naples	1965	7,300	Fair
US 95 over Deep Creek	2024	6,600	Good
US 95 over Trail Creek	1965	6,300	Fair
US 2 over Uprr;moyie Springs Op	1965	2,600	Fair