sentences:  It has often been compared to a classical Roman aqueduct, and is today declared a historical landmark.Possible ways of adding car lanes atop the bridge were discussed on several different occasions during the remainder of the 20th century, the most elaborate plans, in 1960, being to have a motorway, called "Tantoleden", connect Ringvägen and Årsta by building a new bridge on the west side of the old.A western bridge, designed by Sir Norman Foster (1935-), 833 metres long and 19,5 metres wide, was finally inaugurated in 2005.