The Rio-Antirrio bridge is a cable-stayed bridge completed in 2004 between Rio (near Patras) and Antirrio, connecting the Peloponnese with western mainland of Greece and the rest of Europe. The bridge is supported by four pillars, it has a length of 2280 meters, and together with its accesses reaches around 2880 meters. The bridge was developed and completed despite adverse environmental conditions, while the maximum depth of the foundation reaches 65 meters under the sea level. It is a cable-stayed bridge, the strength of which is impressive. Designed and manufactured to specifications to withstand an earthquake larger than that recorded on August 17, 1999 in Ismit Turkey, which was 7.4 magnitude on the Richter scale. It has been estimated also that withstands a collision of a tanker of a tonnage of 180,000 tonnes as well strong winds with speed of 250 km / h, a speed that corresponds to a hurricane. Finally, the bridge is designed to absorb possible shifts between two pedestals, in any direction. The bridge includes pedestrian / cycle path whose can use is toll exempt. On May 25, 2007 at a special ceremony in front the building of the Management of Coupling Greek President Karolos Papoulias "baptized" this bridge "Charilaos Trikoupis Bridge.