SIOUX CITY, Iowa – April 27, 2021 – A bridge deck overlay project on Interstate 129 in Sioux City requires closing the ramp from southbound I-29 to westbound I-129/U.S. 20 from 8 a.m. Tuesday, May 11, until Monday, July 12, weather permitting, according to the Iowa Department of Transportation’s District 3 Office.

During this project, motorists will be detoured to Singing Hills Boulevard, then to northbound I-29 and westbound U.S. 20 (see map).