WISCONSIN "WRITES THE BOOK" ON WETLAND MITIGATION FOR MADISON PROJECT

The construction of a new 6-lane freeway that crosses 1,600 feet of marsh on a twin 33-span bridge was completed in 1988 after the Wisconsin Departments of Transportation and Natural Resources agreed on an innovative environmental mitigation plan that included restoration of wetlands that had been filled in earlier to replace marsh that was lost to the project. The half mile bridge was built to avoid building a roadway across the marsh. Twenty two acres of marsh were replaced by restoring an ancient landfill dump. The details of the creation of the wetland are described. Existing marsh was also enhanced. The project illustrates how successfully wetlands and prairie could be restored.

• Publication Date: 1990-1

Media Info

• Pagination: p. 12-13
• Serial:
  • AASHTO QUARTERLY
  • Volume: 69
  • Issue Number: 1

Subject/Index Terms

• TRT Terms: Environmental protection; Grasslands; Marshes; Road construction; Wetlands
• Uncontrolled Terms: Environmental mitigation
• Geographic Terms: Great Plains; Wisconsin
• Old TRIS Terms: Marshlands
• Subject Areas: Design; Environment; Highways; Planning and Forecasting; I21: Planning of Transport Infrastructure;

Filing Info

• Accession Number: 00493893
• Record Type: Publication
• Files: TRIS
• Created Date: Apr 30 1990 12:00AM