Wikipedia: The building was built in 1845/46. The ring line of the tram on the bridge ran from 1894. Since albeit there was room for a track, the traffic was carried after 1900 (then line 26) direction-dependent also on the Jungfernstieg.<br>1908/09 was a footpath widening was executed in reinforced concrete.<br>Because of war damage and the increasing surface transportation, the permissible axle load was limited to the bridge to 10 tons on June 23, 1947.<br>in 1951, the wooden pavement was replaced by asphalt, which had to be repaired in 1962.<br>Within the framework of a bridge repair, the closure of bridge openings to the bleaching fleet with a reinforced concrete angle retaining wall was 1975. The cavities under the bridge were filled with sand and gravel and concrete. Since that time, the building is no more bridge.<br>1974 was the former North of the bridge running mill channel part filled, which served until the 1950s when flood as emergency outlet of sluice of the Town Hall. The filling was done after the channel was superfluous in 1973 by widening the Town Hall lock. The rest filling took place early in 1976.<br>in 1998, the bridges carrying effect in terms of building was officially abolished.