It continues north to Deep River where it intersects Iowa 85. After passing through Guernsey, it then intersects Interstate 80, then meets US 6. It overlaps with U.S. 6 going eastward, then turns north near Victor.
The highway runs northwards to Deep River, intersecting Iowa 85 along the way. After passing through Guernsey, it encounters Interstate 80 and later merges with US 6 as it heads east. As it approaches Victor, it veers northward.