Bovada should update their system to allow Bitcoin withdrawals to native segwit (Bech 32) addresses. Not only are transactions to these newer type of address faster, they have lower transaction fees which would be a benefit for Bovada. They are fully compatible with standard Bitcoin addresses and many other casino sites already offer native segwit support as they are superior (they are recognizable because they have all-lowercase addresses that always start with bc1).
Here is an article on some of the benefits for both senders and recipients of Bitcoin with these addresses.