Highest beam at new Colorado casino hoisted with names of crew members CBS4 - Denver · December 2, 2018 at 10:01 pm Construction crews “topped off” a 23-story hotel and casino in Black Hawk. The uppermost beam was added to the brand new Monarch Casino during a ceremony on Thursday. The beam was signed by the crew members on the project. Construction of the luxury resort cost roughly $400 million. Two years ago, crews demolished a six-story parking garage to make room for the new casino.