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Mn 74 over S Fk Whitewater River

Winona County, Minnesota · rated Poor in the 2025 National Bridge Inventory

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

Mn 74 over S Fk Whitewater River in Winona County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1941, making it 84 years old at the 2025 inventory.
It carries about 1,785 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 9 of the 237 inventoried bridges in Winona County rated poor (3.8%); 9 (3.8%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 88 ft
Location	0.3 Mi N of W Jct Th 14
NBI structure number	5932
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 90 over 3 St S	2010	21,406	Good
I 90 over 3 St S	2009	21,200	Good
US 61 over Gilmore Creek	1957	19,900	Fair
I 90 over Aoi; Mississippi River	2016	13,950	Fair
I 90 over Aoi; Mississippi River	2015	13,950	Good
I 90 over Ramps; Aoi Access; Cp RR	2015	13,950	Fair