michigan highway north south state trunkline highway state michigan connects highway highway state line near running forest highway designated rest state highway system unchanged inception completely paved mid-1930s route description starts southwestern end bridge connects state line wisconsin michigan border highway runs north away river runs western edge section farm fields turning eastward run passes south bass lakes turns northeasterly running north northern terminus west downtown lane rural highway wooded terrain section immediately north state line runs aforementioned farm listed national_highway_system michigan_department_of_transportation conducted survey determine traffic volume highway reported metric called average annual daily traffic department determined vehicles day southern half highway vehicles northern section closest surveys mdot calculated average trucks roadway daily history designated july rest initial state trunkline highway system highway completely hard surfaced time routing largely unchanged designation original bridge built joint project mdot funded replacement supervised construction new span project ran july november major intersections entire highway
M-73 (Michigan highway)