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General Information

Name in local language: Ganterbrücke
Beginning of works: Summer 1976
Completion: December 1980
Status: in use

Project Type

Structure: Extradosed bridge
Support conditions:
Secondary structure(s): Structurae Plus
Function / usage: Road bridge
Material: Prestressed concrete bridge
Structurae Plus
Plan view: Structurae Plus
Equipment: Structurae Plus
Construction method: Balanced cantilever method

Awards and Distinctions


Location: , ,
Address: N9
  • Simplon Pass
Part of:
Coordinates: 46° 17' 47.81" N    8° 3' 1.99" E
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Technical Information


main span 174 m
length of side spans 127 m
total length 678.00 m
span lengths 35.00 m - 50.00 m -127.00 m - 174.00 m - 127.00 m - 80.00 m - 50.00 m - 35.00 m
deck deck depth 2.50 - 5.00 m
deck width 10.00 m
piers width 10.00 m
pylon P3 height 150 m
pylons width 12.00 m
pylon height (above deck) 17.43 m


superstructure prestressed concrete
piers reinforced concrete
abutments reinforced concrete

Products, Services & Reports

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Excerpt from Wikipedia

Ganter Bridge is a reinforced concrete road bridge which is the longest spanning bridge in Switzerland, located along the Simplon Pass road in the canton of Valais about 10 km (6 mi) south of Brig. It was designed by renowned Swiss civil engineer Christian Menn and completed in 1980. The overall length is 678 m (2,224 ft) with a main span of 174 m (571 ft), and a maximum tower height of 150 m (492 ft).

The bridge's form consists of an S-curve high above the Ganter River, at an elevation of about 1,450 m (4,760 ft) above sea level. Two main towers and five smaller piers support a total of eight spans with lengths of 35 m (115 ft), 50 m (164 ft), 80 m (262 ft), 127 m (417 ft), 174 m (571 ft), 127 m (417 ft), 50 m (164 ft), and 35 m (115 ft). The longest span between the two towers is straight, while the remaining spans lie along curves with a radius of 200 m (656 ft).

Its unique design, combining elements of a cable-stayed bridge and a prestressed cantilever hollow-box girder bridge, with triangular concrete walls above the roadway which contain the prestressed cable-stays, has been awarded many prizes. This hybrid type of cable-stayed and girder bridge is sometimes referred to as an extradosed bridge.

Text imported from Wikipedia article "Ganter Bridge" and modified on 22 July 2019 under the CC-BY-SA 3.0 license.


Design concept
Structural engineering
Expansion joints

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