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Fs Route No. 218 over Simmons Creek

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

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

Fs Route No. 218 over Simmons Creek in Shoshone County, Idaho, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1935, making it 90 years old at the 2025 inventory.
It carries about 50 vehicles a day.
It is one of 174 of the 261 inventoried bridges in Shoshone County rated fair (66.7%); 26 (10.0%) 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	Steel stringer or multi-beam girder
Length	about 85 ft
Location	1 Mi F/jct Fs Rt 218 & 50
NBI structure number	010402000000224
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 90 over Stc 5766;SILVERTON Ic	1978	11,000	Fair
I 90 EB & WB over S.fk.cda R;fr.rd.	1978	11,000	Fair
I 90 over S.fk.coeur Dalene River	1987	11,000	Fair
I 90 Ebl & Wbl over Crossroad Bd;w.wallace I	1987	11,000	Fair
I 90 over I 90B;CANYON CR	1991	11,000	Fair
I 90 Spur over Canyon Creek	1940	10,500	Fair