Bridges

 

Photo: Wellenbergbridge crossing the Tracht stream

Wellenberg Bridge
• Construction:  Steel rivited box X section.
• History: Repeatedly damaged from avalanches between 1908 and 1914.
• History: 1931 Rebuilt
• History: Last overhaul 2007
• Length: 21.2 m
• Width:   2.2 m
• Height of section: 2.17 m
• Rivets: 4‘570
• Weight: 12‘000 kg

Original Kühmatt Bridge

• Construction: Wrought iron
• History: Destroyed by avalanche in 1942.
• History: Replaced by removable wooden construction 1942-1962.
• History: Replaced by retaining dam wall in 1962.
• History: Original footings still visible to left of todays route.

Original Bridge at Oberstafel

History: Replaced by earth wall in 1985 providing 80 m lengthening of the passing loop at Oberstafel.