Wikipedia
Mühlendamm
Mühlendamm refers to the Mühlendammbrücke (Mill Dam Bridge) in East Berlin's Mitte district and the road crossing the Spree river between Gertaudenstraße and Molkenmarkt. Originally a dam was built at this location used for both crossing the river and for water mills. Later, after the installation of defenses, a lock enabled frequent changes in the crossing of the Spree. The current concrete bridge was built in 1968 and is part of the east–west road link to Berlin's city center.