Mercy has broken ground on Mercy Hospital Wentzville, Missouri’s first brand-new, acute care hospital campus in nearly a decade.
McCarthy Building Companies is overseeing construction of the 400,000-square-foot hospital, which is expected to include 75 inpatient acute care beds and a 26-bed emergency department with two trauma areas and four behavioral health rooms. The advanced medical campus will offer a broad range of inpatient and outpatient care to the region, including surgical and specialty options such as cardiovascular, cancer and orthopedics as well as outpatient imaging, diagnostic and treatment services.
Crews began preparing the site in late March and will begin work on the central utility plant this summer, with the hospital tower work beginning in early 2026. Construction of the hospital is expected to be completed in four years.
Other project partners include CannonDesign (architecture and design) and IMEG (engineering).
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