Welcome To The Plymouth County
Secondary Roads Department
County Engineer
Required to be a licensed civil engineer in the State of Iowa.
Term of employment is set by the Board of Supervisors, not to
exceed three years.
Bond is set a minimum for $3,000.
Powers and duties of the County Engineer:
Direct all construction and maintenance work of the Secondary
Road Department.
Develop a Secondary Road Construction Program.
Inspect all contracts to confirm they are
executed according to specifications of the
Iowa Department of Transportation .
Submit an annual report to the county and state of all road fund
expenditures.
Maintenance Superintendent:
Pete
Holtgrew
Telephone 712-546-4601
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STAFF:
Assistant To The Engineer
Administration Assistant
Trudy Seng
Engineering Technology
David Erdmann
Nathan Summerside
Survey Party Chief
Mark Marienau
Inspector
Engineer

Thomas G. Rohe, P.E.
Telephone 712-546-4559
Fax 712-548-4008
Email
engineer@plymouthcountyiowa.gov
Engineers office located:
32802 170th St.
PO Box 1227
Le Mars, IA 51031
Office Hours:
(September - May)
8:00 AM to 4:30 PM Monday - Friday
(June - Aug)
7:00 AM - 3:30 PM Monday - Friday
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