Plymouth County Iowa

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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:

Russ Hobson
Telephone 712-546-4601


Assistant To The Engineer
Terry Marienau

Administration Assistant
Trudy Seng

Engineering Technology
Richard Milne
David Erdmann
Nathan Summerside

Survey Party Chief
Mark Marienau

Arnold Meister


Tom Rohe

Thomas G. Rohe, P.E.

Telephone 712-546-4559

Fax 712-548-4008

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

Send your questions or comments about this web site to Plymouth County.