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New Bridges or Transportation Structures: I-74 Bridge over the Mississippi River

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Description

I-74 Bridge over the Mississippi River
The I-74 reconstruction is a $1.2 billion endeavor that involves almost 8 miles of interstate reconstruction and widening in Illinois and Iowa. The new roadway provides significant improvements to mobility in the region via added capacity and modernization. The signature elements of the project are twin basket handle true arch bridges over the navigation channel of the Mississippi River, each with span length of 791’. The eastbound structure is unique in that it also carries a bike trail over the river which provides even more connectivity within the region. This mega project is nearing completion with all traffic now using the new roadway and bridges.

Presented by: Andrew Keaschall, P.E., S.E., Alfred Benesch & Company, and Thomas Murphy, PhD, P.E., S.E., Modjeski and Masters



  • Course will award 1.0 hours of continuing education for the live session only.
  • Each series registration is per person.
  • This will be available as a recording, with no PDH attached


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Contributors

  • Andrew Keaschall, P.E., S.E.,

    Andrew currently manages the Illinois Division at Benesch. He is a graduate of the University of Illinois where he received both his bachelor’s and master’s degrees. He joined Benesch right after school and had the opportunity to work on many rewarding, large scale and complex projects including the Wacker Drive Viaduct reconstruction in Chicago as well as almost a dozen major river crossings including I-74 over the Mississippi River at the Illinois/Iowa border in the Quad Cities. Prior to taking his current role as Illinois Division Manager in 2020, Andrew managed the Structural group in the Illinois Division for four years, which included the oversight of 30 professionals with 14 licensed Structural Engineers. Within the industry he has been involved in many organizations including ASCE, SEI, SEAOI, SEF, ACEC and IRTBA and maintains varying levels of involvement in all of those organizations.

  • Thomas Murphy, PhD, P.E., S.E.

    Dr. Murphy is the engineer of record for the I-74 arch superstructures. He is a Senior Vice President and the Chief Technical Officer of Modjeski and Masters, as well as Chairman of the Board. His experience includes the analysis, design, detailing, and rehabilitation of a variety of bridge types.

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August 10, 2023
Thu 12:00 PM CDT

Duration 1H 0M

This live web event has ended.