UPDATED FOR 2014!! Covered Bridges of the North A Source book for Photographers and Explorers. Descriptions to all of the Northern States 33 Remaining Historic Covered Bridges in Illinois, Iowa, Michigan, Minnesota, South Dakota and Wisconsin Photographs GPS Positions Written directions from a nearby town A short history of Covered Bridges in North America Notes on interesting or unique history or structure A review of the various Truss Types Self guided Tours Illinois North Tour Illinois South Tour Iowa Madison County Tour Iowa Marion and Polk Counties Tour Michigan Tour Wisconsin Tour