MnDOT (SP 8680-173) I-94 Reconstruction TH24 to Monticello Bridge

Summary

Kaskaskia Engineering Group, LLC (KEG) provided geotechnical engineering analysis and environmental services to the Minnesota Department of Transportation (MnDOT) District 3 for the reconstruction of 14.3 miles of I-94 from TH 24 in Clearwater to 0.3 miles east of Bridge #86802 under CSAH 39 near Monticello in Wright County, Minnesota. KEG environmental and geotechnical services were provided as part of an agreement with Kimley-Horn and Associates, Inc. and MnDOT

Project

KEG’s geotechnical tasks included drafting a Materials Design Recommendation (MDR) report, in accordance with MnDOT specifications for improvements to Eastbound (EB) and Westbound (WB) lanes of I-94 for 14.8 miles utilizing reconstruction and unbonded concrete overlay. Pavement designs and Life Cycle Cost Analysis were also provided by KEG personnel in the MDR. The boring and lab testing data were provided by MnDOT District 3.

KEG’s environmental services include efforts associated with the completion of the project’s NEPA document, an Environmental Assessment/Environmental Assessment Worksheet (EA/EAW). Specifically, KEG was tasked with assisting with the noise balloting process for the project’s Noise Study Report, GIS mapping efforts, and drafting sections of the natural resources chapter (i.e. Land Use; Geology, Soils, and Topography/Land Forms; Water Resources; Contamination/Hazardous Materials/Wastes) of the EA/EAW. The EA/EAW is anticipated for approval by MnDOT in early 2019, with the noise balloting process to occur in February 2019.