Iowa Highway 175

Iowa Highway 175 marker

Iowa Highway 175
Route information
Maintained by Iowa DOT
Length: 221.367 mi[1] (356.256 km)
Major junctions
West end: N-51 west of Onawa
 
East end: US 63 near Voorhies
Location
Counties:
Highway system
← Iowa 173Iowa 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. Route 63 in southwestern Black Hawk County.

Despite Iowa 175's length, it only passes through small communities. The largest city on the route is Onawa, whose 2000 population was 3,091.

Route description

Iowa Highway 175 begins at the east end of the Burt County Missouri River Bridge west of Onawa. At Onawa, it intersects Interstate 29. At Turin, it meets Iowa Highway 37 and turns northeast to follow an alignment which lies next to the Maple River. It continues through Castana and meets Iowa Highway 141 in Mapleton. At Mapleton, Iowa 175 overlaps Iowa Highway 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 U.S. Highway 59 west of Ida Grove. After passing through Ida Grove together with U.S. 59, they separate east of Ida Grove. Iowa 175 passes east through Arthur and at Odebolt, meets Iowa Highway 39. Further east, Iowa 175 meets U.S. Highway 71. Iowa 175 and U.S. 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 Highway 4. The two highways run concurrently through Lohrville before separating. Iowa 175 then passes through Farnhamville and Gowrie and intersects Iowa Highway 144 before intersecting U.S. Highway 169 at Harcourt. They continue east together before separating before Dayton. After passing through Stratford, Iowa 175 meets Iowa Highway 17 at Stanhope. It leaves Stanhope going east and meets U.S. Highway 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 U.S. Highway 65 in Hubbard. Iowa 175 and U.S. 65 then go north, then east, together before separating. Iowa 175 then goes east through Eldora and meets Iowa Highway 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 U.S. Highway 63 south of Hudson.

History

Eldora Viaduct was built over the Iowa River in 1914

Iowa Highway 175 was originally nothing more than a very short spur from U.S. Route 65 to Hubbard but grew to absorb other routes. By 1955 it had extended westward to Nebraska. 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
BurtDecatur N-51 westContinuation into Nebraska
Missouri River0.0000.000Burt County Missouri River Bridge; Nebraska–Iowa state line
MononaOnawa6.0939.806 I-29
Belvidere Township15.62425.144 Iowa 37 east
Mapleton29.29447.144 Iowa 141 eastWest end of Iowa 141 overlap
29.89548.111 Iowa 141 westEast end of Iowa 141 overlap
Woodbury
 No major junctions
IdaCorwin Township50.41881.140 US 59 northWest end of US 59 overlap
54.06887.014 US 59 southEast end of US 59 overlap
SacOdebolt64.476103.764 Iowa 39 south
Clinton Township69.433111.742 US 71 to US 20 westWest end of US 71 overlap
Coon Valley Township79.135127.355 Iowa 196 to US 20 east
Auburn87.107140.185 US 71 southEast end of US 71 overlap
CalhounCalhoun Township99.179159.613 Iowa 4 northWest end of Iowa 4 overlap
Reading Township108.060173.906 Iowa 4 southEast end of Iowa 4 overlap
WebsterLost Grove Township119.976193.083 Iowa 144 south
Harcourt122.974197.907 US 169 northWest end of US 169 overlap
Dayton Township126.988204.367 US 169 southEast end of US 169 overlap
HamiltonClear Lake Township145.174233.635 Iowa 17 southWest end of Iowa 17 overlap
Stanhope146.169235.236 Iowa 17 northEast end of Iowa 17 overlap
Ellsworth Township154.162248.100 US 69 southWest end of US 69 overlap
Ellsworth155.577250.377 US 69 northEast end of US 69 overlap
Lincoln Township159.577256.814 I-35
HardinHubbard172.950278.336 US 65 southWest end of US 65 overlap
Tipton Township179.950289.601 US 65 northEast end of US 65 overlap
GrundyMelrose Township197.593317.995 Iowa 14 southWest end of Iowa 14 overlap
Grundy Center204.867329.701 Iowa 14 northEast end of Iowa 14 overlap
Black HawkLincoln Township221.367356.256 US 63
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

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

External links

Route map: Bing / Google

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