Session 1: Pedestrian Bridge Collapse Forensic Investigation
10:00 am - 11:00 am
27 October 2020

Session 1: Pedestrian Bridge Collapse Forensic Investigation

In 2018, a 175-foot-long post tensioned concrete pedestrian bridge collapsed in a major U.S. urban center, resulting in six fatalities and injuring eight others. The bridge utilized a unique sculptural design incorporating a concrete truss and was constructed using the Accelerated Bridge Construction technique. The structure was intended to provide safe passage over an 8-lane highway to the nearby neighborhood. Mr. Nacheman and Mr. Pinto mobilized to the collapse site on behalf of their client, one of the major insurance carriers directly involved with the design and construction team for the bridge. They were tasked with documenting the post-loss condition of the bridge, performing a detailed structural analysis to determine the cause and origin of the collapse, evidence collection, and developing conceptual repair/retrofit design options.


Note:  Due to ongoing litigation with this bridge project, this session will not be recorded for future on-demand viewing after the PBX conference. 

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Perry Pinto, PE
Perry Pinto, PE
Senior Project Engineer at Envista Forensics
Scott Nacheman, MSc.Eng., AIA
Scott Nacheman, MSc.Eng., AIA
Practice Leader-Major Loss Group, Envista Forensics