 US 41 passes through farm fields and forest lands , and along the Lake Superior shoreline . The highway is included in the Lake Superior Circle Tour and the Lake Michigan Circle Tour and passes through the Hiawatha National Forest and the Keweenaw National Historical Park . Historical landmarks along the trunkline include the Marquette Branch Prison , Peshekee River Bridge and the Quincy Mine . The highway is known for a number of historic bridges such as a lift bridge , the northernmost span in the state and a structure referred to as " one of Michigan 's most important vehicular bridges " by the Michigan Department of Transportation ( MDOT ) . Seven memorial highway designations have been applied to parts of the trunkline since 1917 , one of them named for a Civil War general . 
