With a total length of 96.30 m, a three-field division proved to be a sensible system for the bridges. The Neckar is over spanned in middle of the building with 44.50 m, point symmetrical there is a foreland field with nearly 25.90 m length on each side. For reasons of manufacturability, a two-part cross-section was provided right at the beginning, which in the middle has sufficient space for cable runs.
Architects: Ingenieurbüro Miebach
Area: 360.0 m2
Project Year: 2017
Photographs: Burkhard Walther Architekturfotografiea
The construction is defined by a continuous so-called “gerber-beam” (hinged girder system), which is adapted in the area of the large moments of support above the pillars in the cross-sectional height. A reference to historic wooden cantilever bridges was sought here. Various support members have stacked additively at the supporting point. Glulam beams with an increasing cross-section were glued to each other horizontally. At the end of the respective cantilever reduces the number of support members, so that slimming towards the center of the field is formed.
The sophisticated geometry of the double-curved bridge elements suggested the material wood. Finally, the historical context of the construction site also speaks for the use of timber: at earlier times, wooden logs from the Black Forest in the Neckar were loaded onto the river at the bridge site. From there, the wood then moved downstream into the European timber trade.