Administrative & Engineering Staff Shane Tymkowicz, P.E., Assistant District Engineer Contact Information District 3 Contact Shane Tymkowicz, P.E., Assistant District Engineer Location District 3 Office 6409 Gordon Drive Sioux City, IA 51106 Main 712-276-1451 Fax 712-276-2822 Email Address shane.tymkowicz@iowadot.us Phone(s) Direct 712-274-5834
Contact Information District 3 Contact Shane Tymkowicz, P.E., Assistant District Engineer Location District 3 Office 6409 Gordon Drive Sioux City, IA 51106 Main 712-276-1451 Fax 712-276-2822 Email Address shane.tymkowicz@iowadot.us Phone(s) Direct 712-274-5834
Contact Shane Tymkowicz, P.E., Assistant District Engineer Location District 3 Office 6409 Gordon Drive Sioux City, IA 51106 Main 712-276-1451 Fax 712-276-2822 Email Address shane.tymkowicz@iowadot.us Phone(s) Direct 712-274-5834
