Chelsea Street Bridge Construction engineering analyses for a vertical lift bridge Staged construction analysis for concrete counterweight pours Determination of stresses, displacements and jack reactions during the launching of a massive steel truss Chelsea Street Bridge during lifting (Image courtesy of J.F. White Contracting Co.) As part of its appointment to provide pre-bid and construction engineering services to J.F. White Contracting Co. for the Chelsea Street Bridge Replacement Project, Finley Engineering Group, Inc. (FINLEY) developed an erection scheme for a new single span vertical lift bridge that allowed amassive steel truss to be erected on-site and launched into its ?nal position. FINLEY used LUSAS Bridge analysis software to assist with this task and also to analyse the str

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