sentences:  In front of a reworked agreement in 1925, the city, intending to add an iron roadway passing above the present railway, required the bridge to be reinforced accordingly, and additionally it was decided the planned bascule bridge should be replaced by a lift bridge.The plans were carried through and the bridge opened in 1929.The bridge, on its completion the longest bridge in Sweden, was designed be the architect Cyrillus Johansson (1884–1959) and the engineers Ernst Nilsson (1874–1946) and Salomon Kasarnowsky (1887–1960).