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Iowa Highway 9: Wikis


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Iowa 9.svg
Iowa Highway 9
Length: 295.70 mi[1] (475.88 km)
Formed: July 1, 1920[2]
West end: SD 42 near Larchwood
US 75 in Rock Rapids
IA 60 near Sibley
US 59 near Allendorf
US 71 at Spirit Lake
US 169 at Lakota
US 69 at Forest City
I-35 near Hanlontown
US 63 near Saratoga
US 52 in Decorah
East end: WIS 82 in Lansing
Counties: Lyon, Osceola, Dickinson, Emmet, Kossuth, Winnebago, Worth, Mitchell, Howard, Winneshiek, Allamakee
Major cities: Rock Rapids, Spirit Lake, Estherville, Forest City, Osage, Cresco, Decorah, Waukon
Iowa State Highways
< IA 8 IA 10 >
Aerial view looking north, January 14, 2001, with Mississippi River at floodstage; the Black Hawk Bridge is visible; Big Lake is immediately north; the bridge and causeway carry Iowa Highway 9 and Wisconsin Highway 82

Iowa Highway 9 is the most northern of Iowa's east–west highways, traversing the entire northern tier of counties. It runs from the eastern terminus of South Dakota Highway 42 at the South Dakota border east of Sioux Falls, South Dakota near Benclare, to the Wisconsin border at Lansing where it continues as Wisconsin Highway 82. It is largely rural in character, bypassing any large city. Making a few dips north and south, the highway largely follows a very straight east–west alignment.

Route description

Iowa Highway 9 enters from South Dakota as a continuation of South Dakota Highway 42, northwest of Larchwood in Lyon County. It runs south of Lester, at the northern edge of Rock Rapids and south of Little Rock. Crossing into Osceola County, Iowa Highway 60 crosses it just north and slightly west of Sibley. Continuing west, is runs to the north of Ocheyedan. Entering Dickinson County, the highway passes south of Silver Lake and then across the Little Sioux River, into Spirit Lake where it briefly joins U.S. Route 71. It dips southeasterly as it enters Emmet County, continuing into Estherville where it crosses Iowa Highway 4 and a tributary of the Des Moines River. Passing just south of Armstrong it has an intersection with Iowa Highway 15.

In Kossuth County, it passes through Swea City. East of Swea City, it is joined by U.S. Route 169. It passes north of Lakota, where US 169 turns north. Travelling through Buffalo Center in Winnebago County, takes a slight southwesterly dip to pass northeast of Thompson, continues east, and then south to join U.S. Route 69 at the northern edge of Forest City where it again turns east.

In Worth County, it travels past the northern edge of Hanlontown, where it soon crosses Interstate 35. West of I-35, it passes through the south side of Manly.

In Mitchell County, it makes a straight run to and through Osage. It swings back north and resumes going west to Riceville, crossing the Wapsipinicon River in the process.

In Howard County, the highway makes a transition into the Driftless Area of Iowa, with progressively more rugged terrain evident as one travels east. West of Cresco, and south of Lime Springs, it crosses U.S. Route 63 before going through Cresco. In the process, it crosses two tributaries of the Turkey River.

In Winneshiek County, it runs southeasterly, straightening out to go through Decorah in the valley of the Upper Iowa River. In Decorah, it crosses U.S. Route 52. It again takes a southeasterly drift. In Allamakee County, the highway becomes crooked. Just east of the county line, Iowa Highway 51 meets its northern terminus. Running south of Waukon, then turns north through Waukon, briefly joined by Iowa Highway 76. In the northern part of Waukon, it curves north and east, into Lansing, through the valley of Clear Creek and downtown Lansing. Just before crossing the Mississippi River, it meets the southern terminus of Iowa Highway 26. It then turns onto the Black Hawk Bridge, where it joins Wisconsin Highway 82.

Major intersections

County Location Mile Roads intersected Notes
Lyon Larchwood 0.00 SD 42 Western terminus
7.24 IA 182 south
Rock Rapids 19.00 US 75 north
19.98 US 75 south (Union Street)
  27.90 CR L14 north Former IA 91 north to TH 91
  28.90 CR L14 south Former IA 339 south
Osceola Sibley 42.30 IA 60
46.81 US 59
Harris 57.42 CR M20 Former IA 238 north
Dickinson Spirit Lake 70.10 IA 86
73.00 US 71 south
74.22 Hill Avenue Former IA 276 north
80.02 US 71 north
Emmet Estherville 88.66 IA 4 (9th Street)
Armstrong 106.55 IA 15 south (4th Street)
106.67 IA 15 north (6th Street)
Kossuth Ledyard 120.07 US 169 south
Lakota 126.50 US 169 north
Winnebago Leland 149.89 US 69 north
Forest City 156.92 US 69 south
Worth Hanlontown 172.04 I-35 (Exit 203) / IA 27
Manly 179.09 US 65 (Orchid Avenue)
Mitchell Osage 199.24 US 218 north (7th Street)
203.24 US 218 south
Howard Lime Springs 230.18 US 63
Winneshiek Cresco 241.18 IA 139 north
Decorah 258.20 US 52
Allamakee Waukon 271.82 IA 51 south
276.49 IA 76 south
278.51 IA 76 north (Main Street)
Lansing 295.53 IA 26 north (2nd Street)
295.70 WIS 82 Eastern terminus


  1. ^ Iowa Department of Transportation (2001). Primary Road Sufficiency Log. Retrieved 20 February 2009.
  2. ^ Jason Hancock. "Highway 9". Iowa Highways. Retrieved November 8, 2007.  


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