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SH 57 over Lower W.branch Priest R.

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

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

SH 57 over Lower W.branch Priest R. in Bonner County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1936 and reconstructed in 1956, making it 89 years old at the 2025 inventory.
It carries about 2,100 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 55 of the 104 inventoried bridges in Bonner County rated fair (52.9%); 11 (10.6%) 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

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

Bridge	Built	Vehicles/day	Condition
US 95 over Pend Oreille R;sandpoint	1981	18,500	Fair
US 2 over Sand Creek	1973	18,500	Good
US 95 over US 95NB Off R;sand Creek	2012	12,500	Fair
US 95 over Bridge Street	2012	12,500	Fair
US 2 over Pend Oreille R;oldtown B	1988	11,500	Fair
US 95 over Cocolalla Creek	2017	11,500	Good