The Post Hospital was the largest building on the fort grounds, completed in 1869, at a cost of about $150,000. It is made of sandstone quarried from a neighboring county; the walls are 18 inches thick in places. The main portion of the building consisted of the Dispensary, Post Surgeon’s Office, Dining Room, Steward’s Room, and a Kitchen/Surgery attached to the back. Upstairs was used as the Morgue or Death Room until a separate building was added; afterward, these rooms were used for storage of all medical supplies and as medical staff quarters. The north and south wards contained 24 beds. The post surgeon was challenged with unfilled medical requisitions, poor sanitary conditions, and limited or ineffective treatments for common illnesses caused by bad water, spoiled food, alcoholism, and venereal diseases.

The morgue was the last building constructed at this post. Erected in 1875, a pair of sinks or earth closets was built on the back of the building. The bodies of the soldiers were prepared for burial here.