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Csah 3 over N Br Yellow Medicine R

Lyon County, Minnesota · rated Fair in the 2025 National Bridge Inventory

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

Csah 3 over N Br Yellow Medicine R in Lyon County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 420 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 51 of the 234 inventoried bridges in Lyon County rated fair (21.8%); 6 (2.6%) 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


Structure	Timber stringer or multi-beam girder
Length	about 102 ft
Location	1.5 Mi N of Jct Csah 26
NBI structure number	7211
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 59 over Redwood River	1950	9,500	Fair
Mn 19 over Redwood River	1931	8,800	Fair
Mn 19 over Redwood River	1975	8,300	Fair
Mn 23 over Ditch	1999	5,910	Good
Mn 23 over Redwood River	1973	5,204	Fair
US 59 over Redwood R Diversion Chan	1962	5,200	Fair