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On July 26, 2021 at approximately 3:09 a.m., Plymouth County Dispatch was notified of debris in the roadway on Highway 75 at mile marker 120. A Plymouth County Deputy while en-route to this call came upon a single vehicle accident. The accident occurred on Highway 75 at mile marker 119. A single occupant of the vehicle was seriously injured and air lifted to Mercy One in Sioux City, Iowa. This accident is still under investigation. The Plymouth County Sheriff’s Office was assisted by the Le Mars Police Department, Le Mars Fire & Rescue, W.I.N.G.S., and Iowa DOT.


The driver has been identified as 56 year old Kristine McElroy of Sioux City, Iowa. She was operating a 2015 Audi passenger car northbound on Hwy 75 at MM119. The vehicle left the roadway for unknown reasons and struck a guard rail and the support pole of an overhead highway sign. McElroy died at a Sioux City hospital on Tuesday July 27th as a result of her injuries. This crash remains under investigation.