Pinnacle

(via Wikimedia Commons/RamblingGambler)

Will be updated

The region's newest casino is barely 18 months old, but plans are already under way for its expansion.

Pinnacle Entertainment announced today that it plans to add a 200-room hotel and 10,000-square foot event center at the River City Casino in south St. Louis County. The $82 million project also  includes a parking garage with 1,700 spaces.