I-276 Delaware River Bridge Fracture and Retrofit 

Please join us for our monthly meeting. Dinner will be provided and the guest speaker is Dr. Francesco M. Russo, Vice President and Technical Director for Michael Baker International. October's meeting is brought to you by the Structural Engineering Institute (SEI) of the Lehigh Valley Section of ASCE.

Biography

Dr. Francesco M Russo is Vice President and Technical Director for Michael Baker International. With over 25 years of experience in bridge engineering, Dr. Russo is responsible for complex project support nationwide including serving as the NDT and on-site engineering support services manager for the PA Turnpike for the emergency repair of the I-276 Delaware River Bridge.

Abstract

Following the fracture of a top chord in a four-span continuous deck truss due to the presence of an unknown plug weld near a gusset plate connection, an emergency response program consisting of stabilization, repair, jacking, and partial replacement of the top chord was carried out, restoring the bridge to service in approximately seven weeks. This presentation discusses the emergency response, focusing on the nondestructive and destructive testing work to demonstrate the bridges suitability for service following the emergency repairs.

Schedule

5:30 PM - Networking with cash bar

6:30 PM - Buffet Dinner

7:30 PM - Presentation

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