I-64/I-65/I-275 | Kennedy Interchange, ORB

JEFFERSON COUNTY, KY

TRANSPORTATION

As part of Walsh Construction's Design-Build Team, Palmer Engineering was responsible for the design of 16 bridges and all drainage design in section 1 of the Kennedy Interchange project in downtown Louisville, which links I-64, I-65, and I-71. The project involved designing major structures, flyovers, ramps, and local access points. Palmer provided ongoing support throughout the construction phase, offering on-call services, reviewing plans, and ensuring timely project completion.

Unique Aspects

Opportunities

· Collaborative Design Process: Participating in weekly meetings and decision-making to ensure design standards and aesthetics were consistent across the interchange.
· Complex Bridge Design: Contributing to the design of 16 bridges with varying superstructure units, materials, and foundations.
Challenges

· Coordination Across Multiple Structures: Ensuring consistency and effective communication while handling multiple bridges with different design specifications.
· Coordination with Metropolitan Sewer District (MSD) for challenging tie-ins with the existing sewers
· Maintaining Construction Schedule: Addressing construction challenges while providing ongoing support, including after-hours availability to keep the project on track.
Successes

· Completion of 16 Bridges: Successfully designed and executed 16 bridges, contributing to the overall functionality and safety of the Kennedy Interchange.
· Seamless Integration into Larger Project: Palmer’s involvement ensured smooth integration of bridge designs with the broader interchange project, meeting both technical and aesthetic goals.