Palmrain Bridge

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Coordinates: 47 ° 36 ′ 3 "  N , 7 ° 35 ′ 34"  E

B532 Palmrain Bridge
Palmrain Bridge
Palmrain Bridge from the harbor in Huningue
use Road bridge
Convicted Bundesstrasse 532
Crossing of Rhine
place Weil am Rhein , Huningue
construction Prestressed concrete box
girder bridge
overall length 288.66 meters
width 10.50 meters
Longest span 105.00 m
height 12 meters
start of building 1977
opening 29th September 1979
location
Palmrain Bridge (Baden-Württemberg)
Palmrain Bridge

The Palmrain Bridge spans the Rhine at river kilometer 171.33 and connects the German Weil am Rhein and the French Huningue (Hüningen). The border between Germany and France runs in the middle of the bridge . At the same time, the bridge forms the starting point of federal highway 532 , which at 2.5 kilometers is one of the shortest in Germany.

From 1878 to 1937 there was a railway bridge on the site of the Palmrain Bridge, and a road bridge has stood in its place since 1979.

Bridge from 1878

As early as 1863, the Grand Ducal Baden State Railways planned to build another bridge over the Rhine near Weil am Rhein, in order to carry rail traffic from Alsace over their route network. However, it was not until 1869 that an agreement was reached with the French Eastern Railway regarding the construction of a wooden bridge. However, due to the outbreak of the Franco-German War , this was no longer carried out.

On May 13, 1874 treaty between the eventually became the Grand Duchy of Baden and the German Reich , as a new carrier of state sovereignty in Alsace, on the single-track, 5.6 km long railway line Weil am Rhein-Saint-Louis (Haut-Rhin) between Leopoldshöhe (Weil am Rhein) and St. Ludwig ( Saint-Louis ) with a new Rhine bridge, designed for two tracks, closed. Construction of the bridge began in June 1875 and was put into operation on February 11, 1878. On May 20, 1890, the bridge was connected to the strategic Weil am Rhein – Lörrach railway line. The Rhine bridge near Hüningen had three main openings with spans of 72 meters, as well as two flood openings of 36 meters on the western bank. The bridge superstructure consisted of iron half-timbered structures with an underlying carriageway and a height of 7.2 meters for the main and 3.6 meters for the secondary openings. Between the years 1905 and 1906 the second superstructure was built for the northern track. In 1919, under the Treaty of Versailles , the bridge came into complete possession of France. In July 1920, single-track train operations were resumed, and two years later a new common border station was inaugurated in Palmrain. Since the volume of traffic fell sharply in both travel and freight traffic in the following years, rail operations were stopped on April 3, 1937. In the same year, the superstructures were dismantled by France. The river pillars stopped.

Bridge from 1979

The structure, which opened on September 29, 1979, is part of the 2.5-kilometer federal highway 532 and replaced the ferry service that was established in 1947. The Alsatian politician André-Paul Weber supported the construction of the bridge . The builders of the new Palmrain Bridge were the Federal Republic of Germany and the Haut-Rhin department . The road bridge, which was built between 1977 and 1979, has a 7 meter wide carriageway with two lanes and sidewalks on both sides. The border control facilities, which have now been closed, are on the French side. Until the completion of the three-country bridge at the end of 2006, the Palmrain bridge was the only permanent way to cross between Weil am Rhein and the French side.

The approximately 289 meter long prestressed concrete bridge has four openings with bay widths in west-east direction of 64.71 - 105 - 73.20 and 45.75 meters. As a structural system, the continuous beam is present in the longitudinal direction . In the transverse direction, the superstructure has a single-cell, haunched hollow box cross-section with a construction height of 2.2 meters in the middle of the main opening and 5.08 meters above the river pillars. The 10.5 meter wide carriageway slab protrudes 2.65 meters over the vertical walkways on both sides, the floor slab is 5.2 meters wide.

The preparation of the superstructure, to the right end panel, in the cantilever as a balance beam. The caissons of the former railway bridge were used for the foundation of the two pillars on the German side. The new pillar on the French side has a shallow foundation that was created in an open construction pit secured with sheet pile walls .

literature

  • Ulrich Boeyng: The Baden Rhine bridges - the end of the Second World War 75 years ago . Part 1: The destruction of the Rhine bridges between Neuenburg and Wintersdorf , In: Denkmalpflege in Baden-Württemberg 2020/2, pp. 87–94, here: pp. 91–92. pdf
  • Detlef Knop, Joachim Urban: New, freely prefabricated prestressed concrete bridges over the Rhine in Cologne-Deutz, Konstanz and Weil . In: Concrete and reinforced concrete construction . 75th year, August 1980, issue 8, ISSN  0005-9900 , pp. 199-200.
  • Julius Kraus: The strategic railway: Leopoldshöhe - St. Ludwig. Leopoldshöhe - Weil - (through the tunnel) Lörrach . In: Das Markgräflerland, issue 2/1986, pp. 81–98. Digitized version of the Freiburg University Library
  • Hans-Wolfgang Scharf: Railway Rhine bridges in Germany . EK-Verlag, Freiburg 2003, ISBN 3-88255-689-7
  • Jörg Schlaich , Matthias Schüller: Engineering manager Baden-Württemberg . Bauwerk Verlag, Berlin 1999, ISBN 3-934369-01-4

Web links