Bittrex says: "This policy DOES apply to any deposits sent to an address of another coin on another network. This includes but is not limited to"
Sending, for example, BTC to a BCC address
Sending an OMNI/XCP asset to ANY address other than the one assigned
Sending ETH to an ETC address
So you might be lucky if you transfered more than $5000 as cl0ckw0rk said above.
Next time, transfer a very little amount first to make sure everything works fine and then, transfer the rest of the amount.