Here the federal highway 23 crosses the Ammerschlucht between Rottenbuch in the north and Bad Bayersoien in the south. The 183 meter long structure was completed in 1929 with construction costs of 900.000 Reichsmarks and at that time, with an arch span of 130 meters, was the longest-span Melan arch bridge in the world. The roadway is 76 meters above the valley floor.
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