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Hochbrücke Freimann motorway overpass

Germany

On the northern outskirts of Munich, the 586 m long Hochbrücke Freimann overpass was built to carry the 9-lane A9 Nuremberg-Munich motorway across two multi-lane ring-roads and several railway lines. Severe damage from de-icing salt necessitated the partial demolition and rebuilding of the overpass, yet while maintaining traffic flow.

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Project data

Year of completion
2010
Project duration
20 Months
Country
Germany
Address
A9 autobahn – Frankfurter Ring
Town or city
Munich
Contractors
Dywidag, Nuremberg Branch
Structure
Bridge
Type of structure
Composite construction

Cantilevered parapet

Construction method
Curved/round
Length of bridge (superstructure)
586 m
Parapet height
0.70 m
Parapet width
0.85 m
Height of inner shield
0.17 m
Length of concreting section
23 m
Number of casting sections
45