Iowa DOT News Release

U.S. 59 south of Primghar in O’Brien County to close Monday, April 5

Posted on: April 02, 2021

SIOUX CITY, Iowa – April 2, 2021 – A project to remove the bridge on U.S. 59 south of Primghar in O’Brien County will require closing the roadway to traffic beginning Monday, April 5, until Oct. 26, weather permitting, according to the Iowa Department of Transportation’s District 3 Office.

During this project, motorists will be detoured around the work zone by taking O’Brien County Road B-40 to O’Brien County Road L-54. Peterson Contractors, Inc of Reinbeck was awarded the $2.23 million contract that includes installation of new box culvert and roadway paving.

The Iowa DOT reminds motorists to drive with caution, obey the posted speed limit and other signs in the work area, and be aware that traffic fines for moving violations are at least double in work zones. As in all work zones, drivers should stay alert, allow ample space between vehicles, and wear seat belts.

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Contact: Dakin Schultz at 712-274-5837 or

Iowa highway in the evening