Bridges, Pedestrian Bridges

Footbridge over Rhine-Main-Danube Channel at Keilheim

© schlaich bergermann partner

In Kelheim (Bavaria) the extension of the river Altmuehl to the Main-Danube-Channel required a footbridge with a clearance diagram of 61.84 m x 7.6 m. An additional challenge was the minimum ramp length of 30 m which was a result of the maximum slope of 10%. An advantage was the possibility to use a scaffolding for the production, because the bridge could be built before the completion of the channel.
Thus the curved design could be developed, distinguished by a very slender pre-stressed concrete girder and suspended one-sided on a spatial cable structure. The main cable is redirected via two tubular steel poles and is anchored in the abutments. An experience of a three-dimensional structure is given to the pedestrian by the permanently varying inclination of the suspenders.

Kelheim, Germany
Ackermann und Partner, München
Rhein-Main-Donau AG, München
Project Responsibility
Jörg Schlaich


Technical Data

61.84 m
Length of superstructure
92 m (curved part)
Radius of curvature
37.79 m at bridge center,
18.89 m at ramp crossover
Number of suspenders
2.3 m spacing,
30 mm diameter
Main cable
90 mm diameter
Guy ropes of masts
117 mm diameter
Steel tube masts
660 mm diameter




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