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Stc 7882;50 S. Rd. over B-4 Canal

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

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

Stc 7882;50 S. Rd. over B-4 Canal in Minidoka 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 1941 and reconstructed in 1962, making it 84 years old at the 2025 inventory.
It carries about 2,400 vehicles a day (traffic count year 2023).
Its listed owner is a city or municipal highway agency.
It is one of 45 of the 67 inventoried bridges in Minidoka County rated fair (67.2%); 1 (1.5%) 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	Prestressed concrete tee beam
Length	about 41 ft
Location	0.75 W. 0.5 S. Rupert
NBI structure number	000000000025235
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I84 Ebl Wbl over B-4 Canal	2024	22,000	Good
I 84 Ebl over Shodde Road Gs	1966	11,000	Fair
I 84 Wbl over Shodde Road Gs	1966	11,000	Fair
I 84 Ebl over B-4 Canal	1966	11,000	Fair
I 84 Ebl over I 84B;UPRR;HEYBURN Ic	1961	10,500	Fair
I 84 Wbl over I 84B;UPRR;HEYBURN Ic	1961	10,500	Fair