there is none.
either convert it to swap.ltc on Hive-engine and then send to your wallet
or use simpleswap.io and send it to your coinbase wallet.

there has never been a direct bridge to coinbase and will never be.
You can thank the Hive whales for that.

Personally I don't trust Hive-engine so I use simpleswap.io

You could have used LeoDex for a while but that is down due to the lack of support from Hive.