SHELDON, Iowa — Aug. 26, 2026 — U.S. 18 in Sheldon will close for about a week starting Monday, Aug. 31, according to the Iowa Department of Transportation's Sioux City construction office.
Crews will close U.S. 18 in both directions from Marsh Avenue to Second Avenue/Old Iowa 60 beginning Monday, Aug. 31, until 9 a.m. Saturday, Sept. 5, weather permitting. The closure is part of a joint project with Union Pacific Railroad to rehabilitate the railroad crossing.
Detour route during closure
During the closure, drivers should follow this marked detour:
At the U.S. 18 and Marsh Avenue intersection, south on Marsh Avenue to Sioux County Road B-20
East on Sioux County Road B-20/330th Street/W 16th Street to Second Avenue/Old Iowa 60
North on Second Avenue/Old Iowa 60 back to U.S. 18.
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.
How to get 511 traveler information
The latest traveler information is available anytime through our 511 system. Visit 511ia.org; call 511 (within Iowa) or 800-288-1047 (nationwide); stay connected with 511 on Facebook or X (find links at https://iowadot.gov/travel-tools/iowa-511/511-social-media-sites); or download the free app to your mobile device.
This content is sourced from
Iowa Department of Transportation
. It reflects the author's views and has not been edited by our newsroom. It may have been generated using AI assistance.
