953 Franklyn Ave
Marengo, IA 52301
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Mailing Address

953 Franklyn Ave
Marengo, IA 52301

Contact Information



Monday - Friday
7:00 a.m. - 3:30 p.m.
Holiday Closures

Our Team

The County Engineer (Secondary Roads Department) is responsible for construction and maintenance of the Secondary Road System in Iowa County.

Mission Statement

Our Mission is to provide unincorporated Iowa County with the safest and highest quality of roads and bridges. We seek to accomplish this with constructing bridges and culverts, paving roads, and grading roads, gravel, snow removal, traffic signing, and brush control with the most advanced technology possible.

County Engineer's Duties

The county engineer is a licensed professional Engineer and is appointed by the Board of Supervisors. Reports weekly to the Board of Supervisors all plans and specifications of road, bridge, and culvert work. The engineer inspects the bridge structures on a regular basis to assess their condition and safety. Reports annually to county and state officials all expenditures on secondary road funds.

The engineer office designs, inspects, and administers the construction of roads and bridges in the county as well as various projects that enhance the Road system. 

Secondary Roads Systems

Iowa County Secondary Road Systems is comprised of:

  • 16 Townships (Approximately 587 Square Miles)
  • 159 Miles of paved roads
  • 697 Miles of gravel roads
  • 74 Miles of dirt roads
  • 206 Bridges

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