Iowa Highway 175 begins at the eastern end of the
Burt County Missouri River Bridge west of
Onawa. At Onawa, it intersects
Interstate 29. At
Turin, it meets
Iowa 37 and turns northeast to follow an alignment which lies next to the
Maple River. It continues through
Castana and meets
Iowa 141 in
Mapleton. At Mapleton, Iowa 175 overlaps
Iowa 141 through town. This is a
wrong-way concurrency, with eastbound Iowa 175 and westbound Iowa 141 routed on one side of the road, and vice versa. It continues northeast from Mapleton through
Danbury and
Battle Creek and meets
US 59 west of
Ida Grove. After passing through Ida Grove together with US 59, they separate east of Ida Grove. Iowa 175 passes east through
Arthur and at
Odebolt, meets
Iowa 39. Further east, Iowa 175 meets
US 71. Iowa 175 and US 71 run east, then south, then east again concurrently through
Lake View and
Ulmer before separating at
Auburn. Iowa 175 leaves Auburn going east, then passes through
Lake City. After Lake City, Iowa 175 meets
Iowa 4. The two highways run concurrently through
Lohrville before separating. Iowa 175 then passes through
Farnhamville and
Gowrie and intersects
Iowa 144 before intersecting
US 169 at
Harcourt. They continue east together before separating before
Dayton. After passing through
Stratford, Iowa 175 meets
Iowa 17 at
Stanhope. It leaves Stanhope going east and meets
US 69 south of
Jewell. They run together going north into Jewell before Iowa 175 turns east. After passing through
Ellsworth, Iowa 175 intersects
Interstate 35. Iowa Highway 175 then continues east of I-35 by passing through
Radcliffe before meeting
US 65 in
Hubbard. Iowa 175 and US 65 then go north, then east, together before separating. Iowa 175 then goes east through
Eldora and meets
Iowa 14 west of
Grundy Center. Iowa 175 continues east with Iowa 14 before separating in Grundy Center. It turns slightly southeasterly while passing through
Morrison and
Reinbeck, then turns east and ends at
US 63 south of
Hudson. ==History==