Johnson County Gateway Phase 2 Design/Build

GBA was a major participant in the Kansas Department of Transportation’s (KDOT) first-ever major design-build project. The Gateway project included 26 structure projects to help improve this important corridor of I-435, I-35, US-69, K-10 and more.

The GBA Transportation Engineering team was responsible for 15 structures, with design activities spanning a little over a year. Within about three months of notice-to-proceed, GBA’s design teams were responsible for:

  • Two early steel packages
  • An early bridge widening package
  • Two widened and rehab bridge packages
  • Two new bridge design packages and preliminary design for two new bridges.

GBA quickly provided these plans and followed the required quality process for this project. Along the way, GBA eliminated bridge girders and found hundreds of thousands of dollars in savings on the bridges and retaining walls.

Transportation Engineering Awards:

  • ACI National Infrastructure Award, 2017
  • ACI Kansas Chapter Infrastructure Award, 2017
  • ACI Excellence in Concrete Construction Award, 2017
  • Eastern Chapter KSPE Outstanding Engineering Achievement Award, 2017
Kansas Department of Transportation Bureau of Structures & Geotechnical Services

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