Plymouth County, IA – Drivers in Plymouth County should plan for a full road closure next week as 100th Street shuts down for a box culvert replacement project.
According to the Plymouth County Sheriff’s Office, 100th Street between Polk Avenue and Pioneer Avenue will close beginning Monday, October 20, 2025, at 8:00 a.m. The project is expected to continue through Monday, October 27, 2025, at 4:00 p.m.
The closure will allow crews to replace a deteriorating culvert beneath the roadway. The work zone will block through traffic for the duration of the project, and no detour route has been specified on county maps. Drivers are encouraged to plan alternate travel routes in advance, especially those commuting between local farms and rural residences in the area.
The impacted stretch of 100th Street runs just south of Highway K64 and east of the Big Sioux River, near the communities of Merrill and Hinton.
Motorists are advised to watch for posted signage and avoid driving through work zones for safety.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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