PIEDMONT, S.D. – Beginning Tuesday, Nov. 3, 2026, eastbound Interstate 90 will be closed nightly from 9 p.m. to 6 a.m. through Thursday, Nov. 5, 2026, for the installation of girders for the new overpass bridge at exit 46.
Eastbound traffic will be detoured via exit 46 onto Sturgis Road, then to Stagestop Road, and back onto I-90 at exit 48.
This work is part of a project that includes the full reconstruction of exit 46 and portions of Elk Creek Road and Sturgis Road in Piedmont…