Renovation of the Railway Overpass over the B32 near Sigmaringendorf

Single-track tied arch bridge

Replacement construction of a single-track railway overpass as a tied arch bridge BW41 over the Federal road B32 near Sigmaringendorf.

DB Netz AG
76137 Karlsruhe, Germany

Project description

The bridge is assembled on a lateral pre-assembly site consisting of arches, suspenders and track girders, moved between the supports by means of heavy-duty transporters and set down in the final position.

Technical specifications

Single-track tied arch bridge
Bridge length
34.65 m
Main girder spacing 5.60 m
Bridge width 8.18 m
Arch height 5.75 m
Bridge class FM71
Steel S355 J2+G3 168 t


Kempa Ingenieurgesellschaft mbH
67061 Ludwigshafen, Germany

General contractor

Emil Steidle GmbH & Co. KG
72488 Sigmaringen, Germany


Donges manufactures, delivers and assembles the complete steel structure including corrosion protection.

Construction period

Construction period 2008