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The Foundations Unit is responsible for providing subsurface investigations and geotechnical recommendations for transportation structures including bridges, retaining walls, large culverts, buildings, tower structures, light bases, high embankments and embankments over soft soils.
Download the "Request for Geotechnical Assistance Form"
to request soil borings and foundation recommendations for structures or
construction and maintenance problems not listed in the program (MnDOT only).