Brenna Rantala

Brenna Rantala

Brenna works on a variety of projects involving traditional geotechnical engineering designs such as shallow and deep foundations, slope stability, seepage, bearing capacity, and settlement. Her work involves specifying, implementing, and interpreting soil and rock investigations, including data from drilling, cone penetrometer soundings, and in-situ testing; instrumentation installation and monitoring; and overseeing on-site and laboratory testing. Brenna also provides general fieldwork services for geotechnical investigations.



Geotechnical Engineer


Barr Engineering Co.
325 South Lake Avenue
Suite 700
Duluth, MN 55802
Phone: +1 218-788-6360

Related projects

Tailings-management area design and construction