Opened to boats in 1893, the Corinthian canal joins the Adriatic and Ionian seas with the Aegean.
The bridge on the Isthmus of Corinth joins the city of Corinth with the tourist area of loutarki, and, instead of lifting to let boats pass, it sinks 13m to the bottom of the canal.
Sinking and rising around 12,000 times a year, the bridge is 42m long, 6.5m wide and weighs almost 70ton.
The bridge is moved by four 40ton winches that are driven by electric motors rated at 40hp and 980rpm. These are coupled via a Brevini BZ 3 way splitter drive box, to Brevini PDL high-torque gear units.