The Rion and Andirrion strait, only one mile wide, is the western entrance to the golf of Corinth.
We crossed this strait last year on our way to Lefkas under the suspension cable bridge. We sailed straight on to the center for maximum depth. At this point the height of the bridge is 80-100 meters.
It is suggested to inform the bridge control VHF ch 08 while crossing and watch for the ferries going often from Rion to Antirrion and backwards.