200 S 275 W over B-4 Canal

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

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

• 200 S 275 W over B-4 Canal in Minidoka County, Idaho, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
• It was built in 2023, making it 2 years old at the 2025 inventory.
• It carries about 200 vehicles a day (traffic count year 2023).
• It is one of 21 of the 67 inventoried bridges in Minidoka County rated good (31.3%); 1 (1.5%) are rated poor.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (42.59058, -113.71925)

Component ratings

Bridge details

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

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.