 It continues to the south @-@ southeast until it nears Elkader . There , it briefly turns to the northeast before turning southeast again along Second Street parallel to the Turkey River . The street plan of Elkader was influenced by the river , which flows from the northwest to southeast through town . Iowa 56 follows Bridge Street for one block ; it heads to the southeast again along First Street . The highway meanders to the south , following the river , to an intersection with Iowa 13 near where that highway crosses the Turkey River . Clayton County 's Turkey River Park is located at the intersection of Iowa 13 and Iowa 56 . 
