Municipal / Environmental

Bridges & CulvertsRecreational Trails & FacilitiesRoadwaysStorm WaterStreetsStreetscapeWastewaterWater

Citywide Storm Sewer Mapping & Study

IIW is performing a Citywide Storm Sewer Mapping & Study for the City of Peosta, Iowa in an effort to improve the storm water conveyance system. The project will include three phases. IIW is currently working on the first phase. The purpose of this phase is to map and provide an inventory of the City’s […]

Dubuque Industrial Park Expansion

After property in the existing industrial park became in short supply, the City of Dubuque partnered with IIW to look at expansion options. The IIW team began by investigating the site characteristics, developing a master plan, analyzing alternatives, and creating a conceptual design. IIW then assisted with the final design, testing, and construction administration. Using […]

Far-Nuff Road Ditch Reconstruction

Severe erosion and pavement damaged caused by high volumes of precipitation created a public safety hazard in Cassville Township. Township leaders enlisted IIW’s team of municipal engineers to identify the best solution to repair Far-Nuff Road and work with state and federal authorities to see it through. IIW performed a route survey and analyzed options […]

IA 38 Reconstruction

The IA 38 reconstruction in the City of Stanwood includes approximately 3/4 mile of urban and rural roadway with ADA-compliant sidewalks. The existing roadway was in poor condition due to soft subgrade soils, and poor surface drainage. The City also identified the need to replace both sanitary sewer and water main originally installed around the […]

North Fork Maquoketa Riverbank

IIW worked with Jackson County to provide emergency stabilization of an eroding riverbank. The bank had nearly undercut an existing county road. During the first phase, IIW completed plans to prevent further erosion by replacing 200 linear feet of riprap armor and the associated fill. IIW engineers placed bendway weirs in the river channel and […]