sentences:  In 1784, the bridge was heavily damaged in an ice run on the Glan, and thus Duke Carl II August of Zweibrücken saw to it in 1789 that a great two-storey-high and 70-foot-long (actually the old German measure called a "Schuh", which literally means "shoe"; this was >20 m) wing wall was built onto the bridge on the Hachenbach (right) side, obliged as he felt to shield the bridge against any further such misfortunes.In 1794, the French military broke the arch nearest the Hachenbach side.Until 1825, a wooden emergency bridge was used, until the stone bridge could be set right again.