IIW

Municipal / Environmental

Bridges & CulvertsRecreational Trails & FacilitiesRoadwaysStorm WaterStreetsStreetscapeWastewaterWater

Chestnut Street

The Chestnut Street project led IIW to partner with the Wisconsin Department of Transportation, Grant County, the City of Platteville and University of Wisconsin – Platteville to develop and execute a plan to provide a more direct route to the university. This included incorporating a roundabout at the intersection where traffic chooses between Downtown Platteville […]

Lower Bee Branch Creek Restoration

Located in the north-central portion of Dubuque, the Bee Branch drainage basin has a long history of extreme flooding. The Bee Branch Restoration Project aims to change that. In the initial phase, IIW designed two continuous concrete slab bridges that met the community’s goals for flood prevention and aesthetic appeal. Early in the project, leaders […]

North Cascade Road over the South Fork Catfish Creek

IIW led the emergency replacement of the North Cascade bridge after it was washed out by a summer storm in Dubuque, Iowa. IIW’s engineering team conducted a hydrologic and hydraulic analysis to determine the optimal type, size and location of the bridge over South Fork Catfish Creek. The mapped floodplain and detailed flood study led […]

Water Street over Wapsipinicon River

IIW’s work on the Water Street bridge over the Wapsipinicon River in Quasqueton, Iowa, began with the evaluation of a series of rehabilitation options. IIW helped city and county officials understand the costs of structure repair compared to a new structure. Upon the review of the widening options, the City and County chose to replace […]