While it eventually added an online BetRivers site that remains the only one based west of the Alleghenies for Web/app sports betting, the casino’s bricks-and-mortar monopoly ended July 24. Caesars Palace Online Casino Bonus Codeįor seven months after the Rivers Casino opened its sportsbook on Pittsburgh’s North Shore in December, it was the only place to make a legal wager on a game in Western Pennsylvania.