First bridge (built in 1869):<br>single track<br>Three parabolic truss fields and eight parallel trusses, truss type: Second order frame<br><br>Second bridge (built in 1932):<br>in 1932 a second single-track bridge built in addition parallel.<br>The frame had the same contours but more modern structures. The ends of the straps were perpendicular.<br><br>The bridges were destroyed in the second world war.<br><br>After the war, the Western bridge was rebuilt first in 1947, it was used as much as possible with parts of the 1932 railway bridge. They can be seen on vertical ends of straps.<br><br>Third bridge (built 1951):<br>in 1951, the second bridge was rebuilt, today to be recognised by the sloping ends of straps.