Bridge inspection Old Rhine, border Höchst - St. Margarethen

Bridges, Infrastructure

Building category

Solid construction

Construction method

Building inspection

Performed services



August 2020

Processing time from

September 2020

Processing time until

DI Walter Reisenauer

Project manager

DI Sascha Grujic

Substitute project manager

Alexander Salomon, Jonas Wachter

Project team member

Amt der Vorarlberger Landesregierung


Arched bridge, Box girder bridges, T-beam bridges, Slab bridges

Type of bridge


Number of fields

95,85 m

Length of bride

1.054,35 m²

Expanse of bridge

Description of project

In the year 2020 we were commissioned to inspect the following bridge for the state government of Vorarlberg especially in the border area of Austria-Switzerland:

Bridge “Old Rhine” with a total surface of 1,054.35 m2 and an overall length of 95.85 m:

  • 4 fields
  • Construction of bridge as haunched, pre-stressed 4-field girder
  • The bridge had to comply with Austrian and Swiss norms.
  • The inspection had to take place at night, because the subjacent motorway A1 had to be closed.

Description of tasks

  • Site inspection and survey of the bridge and culverts with mapped and photographically documentation
  • Composition of inspection reports with detection of damage classes
  • Elaboration of layout plans and damage plans

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