LOUIS, Mo. (First Alert 4) - Mercy has officially begun construction on a new hospital and medical campus in Wentzville, the first brand-new acute care hospital campus in Missouri in nearly a decade.

Mercy breaks ground on $650 million hospital in Wentzville, Missouri. The 483,000-square-foot complex will serve the fast-growing part of the St. Louis region.

WENTZVILLE, Mo. – A brand-new Mercy hospital campus is in the works for Wentzville as crews officially broke ground for the campus on Thursday. This marks the beginning of construction for Mercy ...

Updated: Apr 24, 2025 / 04:36 PM CDT WENTZVILLE, Mo. – A brand-new Mercy hospital campus is in the works for Wentzville as crews officially broke ground for the campus on Thursday.