page_title: Waldshut–Koblenz Rhine Bridge
section_title: Construction
hierarchical_section_title: Waldshut–Koblenz Rhine Bridge / Construction
caption_attribution_description: English: Rhine bridge Waldshut (Baden-Württemberg, Germany) - Koblenz (Aargau, Switzerland) Deutsch: Rheinbrücke Waldshut (Baden-Württemberg, Deutschland) - Koblenz (Aargau, Schweiz)
context_page_description: The Waldshut–Koblenz Rhine Bridge is a single-track railway bridge on the Turgi–Koblenz–Waldshut railway, between Waldshut and Koblenz AG, crossing the Rhine and the border between Germany and Switzerland. It was the first railway bridge built over the Rhine below Lake Constance. It is the only major railway bridge over the Rhine, which is completely preserved in its original condition and is one of Europe's few lattice truss bridges.
  The bridge carries passenger services of line S27 of the Aargau S-Bahn, operating between Baden and Waldshut, and line S41 of the Zurich S-Bahn, operating between Winterthur and Waldshut.
context_section_description: The c. 190-metre-long (620 ft) bridge section has a track on the upper level of the truss bridge and its spans over the Rhine consist of two outer spans that are 37.24 metres (122.2 ft) long and a central span of 54.90 metres (180.1 ft). This is followed on the Swiss bank by a brick viaduct with six semi-circular arches, having an inside diameter of 7.5 metres (25 ft). The greatly varying spans of the main bridge result from the nature of the currents in the Rhine. On the German side, after the line runs on an embankment for some 50 metres (160 ft), it crosses over the E54 on a modern concrete arch bridge.
  The superstructure of the lattice truss bridge is made of wrought iron and is box shaped in cross-section. At has a continuous beam along its length. It has two vertical close-knit, grid-like lattice truss with a height of 5.13 metres (16.8 ft) and a track base of 4.95 metres (16.2 ft). The diagonal struts are formed from flat steel and riveted together at the intersections. The vertical pillars consist of four riveted corners.
  The foundation of the pillars are built on driven wooden piles that are about 10 metres (33 ft) long, topped by concrete pile caps. The tops of the pillars are 14 metres (46 ft) high and 3 metres (9.8 ft) wide and made of stone masonry.
caption: Bridge from below
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