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In 2007, the RIBA ran an open competition for an iconic footbridge over a dual-carriageway linking Sheffield and Rotherham. This Arup Associates bridge was shortlisted from 109 entries.
The bridge structure is a rotating prismatic arch that generates a distinctive sculptural gateway form. It also creates a distinctive open lattice deck crossing, giving unique experiences to both passing motorists and users of the footbridge.
Arup Associates used Oasys GSA as the primary tool used in the concept design process: not just to study the feasibility of the structure, but to generate the geometry and establish the concept itself. Subsequently, the geometry was tuned using GSA, in combination with AutoCAD 3D, to optimise the bridge span structure and ensure its full integration with the deck and the embankments.
The Sheffield Parkway Bridge shows that Oasys GSA is not just for analysis, but is also a creative tool for generating original concept designs.