Iowa Highway 175

Last updated • 3 min readFrom Wikipedia, The Free Encyclopedia

Elongated circle 175.svg

Iowa Highway 175

Iowa Highway 175
Iowa 175 highlighted in red
Route information
Maintained by Iowa DOT
Length221.367 mi [1]  (356.256 km)
Major junctions
West endN-51.svg N-51 west of Onawa
Major intersections
East endUS 63.svg US 63 near Voorhies
Location
Country United States
State Iowa
Counties
Highway system
Elongated circle 173.svg Iowa 173 Elongated circle 182.svg Iowa 182

Iowa Highway 175 (Iowa 175) is a main east–west route in the northern portion of the state. The highway has a length of 221 miles (356 km). Iowa Highway 175 enters the state by a Missouri River crossing between Decatur, Nebraska and Onawa. The highway continues westward as Nebraska Highway 51. Iowa 175's eastern terminus is at a T intersection with U.S. Highway 63 (US 63) in southwestern Black Hawk County.

Contents

Despite Iowa 175's length, it only passes through small communities. The largest city on the route is Onawa, whose 2020 census population was 2,906.

Route description

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.

Iowa 175 and US 69 in Jewell IA175US69.jpg
Iowa 175 and US 69 in 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

Eldora Viaduct was built over the Iowa River in 1914 Eldora Viaduct 1914.jpg
Eldora Viaduct was built over the Iowa River in 1914

Iowa Highway 175 was originally designated in 1930 as a very short spur from US 65 to Hubbard but extended west to Stratford by 1937. Iowa 175 extended west to Auburn in October 1940, replacing Iowa 91, a spur route from Dayton to US 169, Iowa 47, a spur route from US 169 to Farnhamville (which had extended west from Gowrie on December 20, 1938), Iowa 287, a spur route from Farnhamville to Iowa 17 (now Iowa 4), and Iowa 188 (which was renumbered from Iowa 151 in 1938), which went from Iowa 17 to Auburn. In January 1948, Iowa 175 extended west to US 75, replacing Iowa 35 and a duplex with Iowa 37 was created; Iowa 37 would be truncated to Iowa 175 on May 11, 1966. By 1955 Iowa 175 had extended westward to Nebraska, replacing Iowa 165. The final segment of Highway 175 was commissioned in 1969, extending the highway eastward from Hubbard to its present eastern terminus.

Major intersections

CountyLocationmi [1] kmDestinationsNotes
Missouri River 0.0000.000West plate.svg
N-51.svg
N-51 west Decatur
Continuation into Nebraska
Burt County Missouri River Bridge; Nebraska–Iowa state line
Monona Onawa 6.0939.806I-29.svg I-29  Sioux City, Council Bluffs I-29 exit 112
Belvidere Township 15.62425.144East plate.svg
Elongated circle 37.svg
Iowa 37 east Soldier
Mapleton 29.29447.144East plate.svg
Elongated circle 141.svg
Iowa 141 east Ute
Western end of Iowa 141 overlap
29.89548.111West plate.svg
Elongated circle 141.svg
Iowa 141 west Smithland
Eastern end of Iowa 141 overlap
Woodbury
No major junctions
Ida Corwin Township 50.41881.140North plate.svg
US 59.svg
US 59 north Holstein
Western end of US 59 overlap
54.06887.014South plate.svg
US 59.svg
US 59 south Denison
Eastern end of US 59 overlap
Sac Odebolt 64.476103.764South plate.svg
Elongated circle 39.svg
Iowa 39 south Kiron
Clinton Township 69.433111.742North plate.svg
Elongated circle 471.svg
Iowa 471 north Early
Formerly US 71
Coon Valley Township 79.135127.355North plate.svg
US 71.svg
US 71 north Sac City
Western end of US 71 overlap; formerly Iowa 196
Auburn 87.107140.185South plate.svg
US 71.svg
US 71 south Carroll
Eastern end of US 71 overlap
Calhoun Calhoun Township 99.179159.613North plate.svg
Circle sign 4.svg
Iowa 4 north Rockwell City
Western end of Iowa 4 overlap
Reading Township 108.060173.906South plate.svg
Circle sign 4.svg
Iowa 4 south Jefferson
Eastern end of Iowa 4 overlap
Webster Lost Grove Township 119.976193.083South plate.svg
Elongated circle 144.svg
Iowa 144 south Paton
Harcourt 122.974197.907North plate.svg
US 169.svg
US 169 north Fort Dodge
Western end of US 169 overlap
Dayton Township 126.988204.367South plate.svg
US 169.svg
US 169 south Ogden
Eastern end of US 169 overlap
Hamilton Clear Lake Township 145.174233.635South plate.svg
Elongated circle 17.svg
To plate.svg
US 30.svg
Iowa 17 south to US 30
Western end of Iowa 17 overlap
Stanhope 146.169235.236North plate.svg
Elongated circle 17.svg
Iowa 17 north Stanhope
Eastern end of Iowa 17 overlap
Ellsworth Township 154.162248.100South plate.svg
US 69.svg
US 69 south Ames
Western end of US 69 overlap
Ellsworth 155.577250.377North plate.svg
US 69.svg
US 69 north Blairsburg
Eastern end of US 69 overlap
Lincoln Township 159.577256.814I-35.svg I-35  Des Moines, Minneapolis I-35 exit 133
Hardin Hubbard 172.950278.336South plate.svg
US 65.svg
US 65 south Des Moines
Western end of US 65 overlap
Tipton Township 179.950289.601North plate.svg
US 65.svg
US 65 north Iowa Falls
Eastern end of US 65 overlap
Grundy Melrose Township 197.593317.995South plate.svg
Elongated circle 14.svg
Iowa 14 south Marshalltown
Western end of Iowa 14 overlap
Grundy Center 204.867329.701North plate.svg
Elongated circle 14.svg
Iowa 14 north Parkersburg
Eastern end of Iowa 14 overlap
Black Hawk Lincoln Township 221.367356.256US 63.svg US 63 (Hudson Road) Hudson, Waterloo, Tama
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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References

  1. 1 2 2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved January 21, 2011.
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