Middle (Friedrichswerder/Alt-Berlin), crosses the Spree river channel between Werder Street and Castle Square. The 1914/16 built in timber-frame construction made of steel by Scribbler and Tischer, 24 m-wide road bridge learned 1936/37 tags and the extension at 23.90 m relating to the development and the widening of the Spree Canal. With two more of Kurt Schumacher, the since 1976, a memorial plaque at the Eastern bridgehead were the two bronze reliefs depicting historic lock and bridge by Robert Schirmer and Otto Markert inserted into the railing. in 1951, the second page was restored. The bronze medals was replaced during the restoration in 1972/73 with aluminium castings. renewed conservation work began in 1999. The earliest mention of a lock and bridge, an ark in the Cöllnischen city moat, dates back to the year 1443. A new building of the Dutchman Vibrand Gerlitzen dating from 1653-1657 wich 1694 one of 18 m wide solid bridge. With today's width, S. with five pairs of folding, medium-its sized for the Horsecar 1882/83 were strengthened was 1861-1864, in addition to a construction of the locks. The page is protected.<br>(Info from www.luise-berlin.de)