Ravenna viaduct replaced truss bridge built in 1884. Part of the Höllentalbahn (Freiburg-Neustadt / Switzerland). 9 Arches. Blown up by the army in April 1945, but renewed in 1948 in their original state.<br><br>Information by Heidi Zahir:<br>The Deutsche Reichsbahn-Gesellschaft was planning to abolish the expensive gear operating on the Hölle Valley railway at the beginning of the 1920s. For the envisaged heavy adhesion locomotives, track and bridges had to be strengthened. The 1887-built Ravenna viaduct you decided however for a complete rebuild, as was the old building in a contra-rotating arc and was allowed to be used only at 15 km/h. in 1925 work began on Dec. 14, 1927, the first train of the new viaduct rolled. 224 Feet long was the building and thus the largest railway bridge in the black forest. The distinctive viaduct crosses the romantic Ravenna Gorge with nine arches 20 m clear span. At the highest point of the track body is about 40 m above the valley floor. On April 23, 1945 so 14 days before the end of the war, German pioneers blew the pillars 3.4 and 5 and thus the vaulted 3 to 6 in the air during the retreat. Two years and eight months it took to the viaduct was rebuilt. Since then, the trains roll every day over a railway bridge, which has lost none of its elegance to the present day.<br>In 1936 it was electrically uphill.