Kocher Viaduct Kocher Viaduct On the Kocher Viaduct () near Schwäbisch Hall in Germany the Autobahn 6 crosses the Kocher valley between Heilbronn and Nuremberg. With its maximum height of 185m above the valley bottom, it is the highest viaduct in Germany, and was also the bridge with the tallest pillars in the world before the Millau Viaduct, France was completed in 2004. The nine spans of this prestressed concrete girder bridge cover a length of 1128m, the individual span lengths being 81m for the outer two and 138m for the remaining seven. Pillar height varies from 40m to 178m. The bridge
Millau Viaduct the Eiffage TP company for the concrete part, the Eiffel company for the steel roadway (Gustave Eiffel built the Garabit viaduct in 1884, a railway bridge in the neighbouring Cantal "département"), and the Enerpac company for the roadway's hydraulic supports. The engineering group Setec has authority in the project, with SNCF engineering having partial control. was responsible for the job of the bituminous road surface on the bridge deck, and Forclum () for electrical installations. Management was handled by Eiffage Concessions. The only other business that had a notable role on the building site was Freyssinet, a subsidiary of the