List of Iowa state highways

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Iowa 1 1926.svgIowa 136.svg
Highway markers from different years for Iowa 1 (1926) and Iowa 136 (current)
Highway names
Interstates: Interstate nn (I-nn)
US Routes: U.S. Highway nn (US nn)
State: Iowa nn
System links

State highways in the U.S. state of Iowa are owned and maintained by the Iowa Department of Transportation.

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
Iowa 1 119.268 191.943 Iowa 2 south of Keosauqua US 151 south of Anamosa 1920 current
Iowa 2 251.376 404.550 N-2 at Nebraska City, Neb. US 61 at Fort Madison 1940 current
Iowa 3 326.163 524.908 SD 50 near Westfield US 52 / US 61 / US 151 in Dubuque 1945 current
Iowa 4 146.343 235.516 Iowa 44 in Panora MN 4 near Estherville 1969 current
Iowa 5 103.540 166.631 Route 5 south of Centerville I-35 near West Des Moines 1969 current
Iowa 7 73.661 118.546 Iowa 3 near Aurelia US 169 at Fort Dodge 1969 current
Iowa 8 13.961 22.468 US 63 in Traer US 218 near Garrison 1926 current
Iowa 9 295.088 474.898 SD 42 near Larchwood WIS 82 at Lansing 1920 current
Iowa 10 104.512 168.196 SD 46 near Hawarden Iowa 4 at Havelock 1920 current
Iowa 12 46.274 74.471 US 20 / US 75 at Sioux City Iowa 10 in Hawarden 1920 current Signed as US 20 Bus through Sioux City
Iowa 13 85.235 137.172 US 30 / US 151 near Bertram US 52 near Froelich 1920 current
Iowa 14 187.838 302.296 Iowa 2 at Corydon US 18 / US 218 Bus in Charles City 1920 current
Iowa 15 63.578 102.319 Iowa 3 near Pocahontas MN 15 near Armstrong 1969 current
Iowa 16 65.488 105.393 US 34 near Agency US 61 at Wever 1930 current
Iowa 17 102.789 165.423 Iowa 141 at Granger US 18 near Wesley 1969 current
Iowa 21 97.152 156.351 Iowa 149 near Hedrick US 20 / Iowa 27 at Waterloo 1934 current
Iowa 22 97.905 157.563 Iowa 21 near Thornburg US 61 at Davenport 1926 current
Iowa 23 16.022 25.785 Iowa 92 at Oskaloosa Iowa 149 near Fremont 1997 current
Iowa 24 27.546 44.331 US 18 / US 63 in New Hampton US 52 / Iowa 150 in Calmar 1928 current
Iowa 25 103.419 166.437 Iowa 2 near Benton US 30 near Scranton 1926 current
Iowa 26 11.370 18.298 Iowa 9 in Lansing MN 26 at New Albin 1969 current
Iowa 27 281.689 453.335 Route 27 near Wayland, Mo. I-35 at the Minnesota state line 2001 current Avenue of the Saints
Iowa 28 21.613 34.783 Iowa 92 at Martensdale I-35 / I-80 at Johnston 1926 current
Iowa 31 38.504 61.966 US 59 near Quimby Iowa 141 near Smithland 1920 current
Iowa 32 5.101 8.209 US 20 at Dubuque US 52 / Iowa 3 at Sageville 1995 current
Iowa 37 40.321 64.890 Iowa 175 near Turin US 59 near Earling 1920 current
Iowa 38 98.941 159.230 US 61 Bus / Iowa 92 in Muscatine Iowa 3 near Edgewood 1920 current
Iowa 39 24.321 39.141 US 59 at Denison Iowa 175 at Odebolt 1969 current
Iowa 44 104.524 168.215 US 30 near Logan Iowa 141 at Grimes 1969 current
Iowa 48 47.919 77.118 US 59 at Shenandoah US 6 near Lewis 1920 current
Iowa 51 11.007 17.714 US 18 / US 52 at Postville Iowa 9 near Waukon 1920 current
Iowa 56 24.432 39.319 Iowa 150 at West Union Iowa 13 at Elkader 1920 current
Iowa 57 43.765 70.433 US 65 near Iowa Falls US 218 / Iowa 27 / Iowa 58 at Cedar Falls 1986 current
Iowa 58 12.030 19.360 US 63 at Hudson US 218 / Iowa 27 / Iowa 57 at Cedar Falls 1920 current
Iowa 60 58.771 94.583 US 75 at Le Mars MN 60 at Bigelow, Minn. 1969 current
Iowa 62 19.633 31.596 Iowa 64 at Maquoketa US 52 in Bellevue 1920 current
Iowa 64 64.355 103.569 US 151 at Anamosa US 52 / IL 64 at Savanna, Ill. 1936 current
Iowa 70 23.954 38.550 Iowa 92 at Columbus Junction US 6 in West Liberty 1969 current
Iowa 76 48.911 78.715 US 18 near McGregor MN 76 near Eitzen, Minn. 1969 current
Iowa 78 58.429 94.032 Iowa 149 near Martinsburg US 61 near Morning Sun 1920 current
Iowa 81 2.215 3.565 Route 81 near Farmington Iowa 2 near Farmington 1969 current
Iowa 83 34.191 55.025 US 59 in Avoca Iowa 148 in Anita 1920 current
Iowa 85 8.408 13.531 Montezuma city limits Iowa 21 near Deep River 1920 current
Iowa 86 12.519 20.147 US 71 near Milford MN 86 near Spirit Lake 1981 current
Iowa 92 274.231 441.332 US 275 / N-92 in Council Bluffs IL 92 at Muscatine 1939 current
Iowa 93 29.534 47.530 US 63 near Tripoli Iowa 150 in Fayette 1920 current
Iowa 96 16.635 26.771 Iowa 14 near Gladbrook US 63 near Gladbrook 1920 current
Iowa 98 1.814 2.919 Leando Iowa 16 near Douds 1944 current Spur route
Iowa 100 8.285 13.333 Edgewood Road in Cedar Rapids US 151 / Iowa 13 near Marion 1984 current
Iowa 102 0.501 0.806 New Sharon city limits US 63 / Iowa 146 in New Sharon 1980 current Unsigned highway
Iowa 110 14.789 23.801 US 20 at Schaller Iowa 7 at Storm Lake 1934 current
Iowa 116 2.776 4.468 US 218 near Waverly Iowa 3 in Waverly 1998 current Section of US 218 Bus in Waverly
Iowa 117 18.562 29.873 Iowa 163 at Prairie City US 65 / Iowa 330 near Mingo 1936 current
Iowa 122 12.264 19.737 I-35 / US 18 at Clear Lake Mason City city limits 1999 current
Iowa 127 15.985 25.725 I-29 near Mondamin US 30 in Logan 1924 current
Iowa 128 6.982 11.236 Iowa 13 near Elkader US 52 near Garnavillo 1924 current
Iowa 130 32.023 51.536 Iowa 38 in Tipton I-80 / US 61 at Davenport 1969 current
Iowa 136 97.733 157.286 IL 136 at Clinton US 52 / Iowa 3 at Luxemburg 1926 current
Iowa 137 14.526 23.377 Iowa 5 at Albia US 63 / Iowa 163 at Eddyville 1934 current
Iowa 139 11.431 18.396 Iowa 9 near Cresco MN 139 near Harmony, Minn 1930 current
Iowa 140 25.309 40.731 US 20 at Moville Iowa 3 at Remsen 1926 current
Iowa 141 155.362 250.031 I-29 near Sloan I-35 / I-80 at Grimes 1926 current
Iowa 143 12.049 19.391 Iowa 3 at Marcus Iowa 10 at Granville 1926 current
Iowa 144 34.039 54.780 Iowa 141 at Perry Iowa 175 near Harcourt 1926 current
Iowa 146 42.735 68.775 US 63 / Iowa 102 in New Sharon US 30 in Le Grand 1926 current
Iowa 148 66.828 107.549 Route 148 near Bedford I-80 / US 6 near Anita 1926 current
Iowa 149 65.897 106.051 US 34 in Ottumwa I-80 near Williamsburg 1926 current
Iowa 150 85.093 136.944 US 218 at Vinton US 52 / Iowa 24 at Calmar 1941 current
Iowa 152 1.402 2.256 I-35 near Osceola US 69 at Osceola 1980 current
Iowa 160 2.446 3.936 Iowa 415 at Ankeny I-35 at Ankeny 1947 current
Iowa 163 166.270 267.586 US 69 in Des Moines US 34 at Burlington 1937 current
Iowa 165 0.410 0.660 Abbott Drive at Omaha, Neb. Abbott Drive at Omaha, Neb. 1957 current Only state highway west of the Missouri River
Iowa 173 14.680 23.625 Iowa 83 near Atlantic Iowa 44 at Kimballton 1930 current
Iowa 175 221.367 356.256 N-51 at Decatur, Neb US 63 near Hudson 1930 current
Iowa 182 9.051 14.566 US 18 in Inwood Iowa 9 near Larchwood 1969 current
Iowa 183 29.952 48.203 Iowa 127 near Mondamin Iowa 141 in Ute 1930 current
Iowa 187 28.385 45.681 US 20 near Masonville Iowa 150 near Fayette 1931 current
Iowa 188 24.231 38.996 Iowa 3 near Clarksville US 63 near Tripoli 1945 current
Iowa 191 22.790 36.677 I-680 near Neola Iowa 37 at Earling 1930 current
Iowa 192 6.647 10.697 I-29 / I-80 at Council Bluffs I-29 at Council Bluffs 1980 current
Iowa 196 10.136 16.312 US 71 / Iowa 175 near Lake View US 20 near Sac City 1935 current
Iowa 202 10.461 16.835 Route 202 at Coatsville, Mo Iowa 2 near Moulton 1969 current
Iowa 210 34.781 55.975 Iowa 141 near Woodward US 65 near Collins 1938 current
Iowa 212 12.157 19.565 Iowa 21 near Belle Plaine US 6 at Marengo 1934 current
Iowa 220 7.233 11.640 US 6 at South Amana US 151 at Amana 1930 current
Iowa 224 10.587 17.038 US 6 near Kellogg Iowa 14 near Laurel 1930 current
Iowa 281 28.166 45.329 Waterloo city limits Iowa 150 at Oelwein 1936 current
Iowa 316 5.183 8.341 Iowa 5 near Swan Runnells city limits 1935 current Spur route
Iowa 330 47.748 76.843 I-80 / US 6 / US 65 at Altoona Iowa 14 near Albion 1969 current
Iowa 333 1.558 2.507 I-29 at Hamburg US 275 in Hamburg 1935 current
Iowa 346 12.470 20.069 US 218 / Iowa 27 at Nashua US 18 / US 63 near New Hampton 1937 current
Iowa 368 0.140 0.225 200th Avenue near Hartford Dead end near Hartford 2002 current Abandoned section of Iowa 5
Iowa 370 3.265 5.255 N-370 at Bellevue, Neb I-29 / US 275 near Council Bluffs 1953 current
Iowa 376 10.334 16.631 I-129 / US 20 / US 75 at Sioux City US 75 at Sioux City 2001 current US 75 Bus in Sioux City
Iowa 404 1.629 2.622 Iowa 3 in Le Mars US 75 at Le Mars 2006 current Section of US 75 Bus in Le Mars
Iowa 415 16.857 27.129 US 6 in Des Moines Iowa 141 near Granger 1959 current
Iowa 438 1.052 1.693 US 34 / Iowa 163 at Mount Pleasant US 218 / Iowa 27 at Mount Pleasant 2003 current Section of US 218 Bus in Mount Pleasant
Iowa 404 1.629 2.622 Iowa 3 in Le Mars US 75 at Le Mars 2006 current Section of US 75 Bus in Le Mars
Iowa 450 0.268 0.431 Iowa 10 in Alton Iowa 60 near Alton 2005 current Unsigned highway
Iowa 470 0.695 1.118 US 75 near Merrill US 75 in Merrill 2010 current Unsigned highway
Iowa 922 8.862 14.262 US 151 at Cedar Rapids Iowa 100 in Cedar Rapids 1985 current US 151 Bus in Cedar Rapids
Iowa 926 3.147 5.065 US 169 / US 20 Bus at Fort Dodge US 169 at Fort Dodge 1990 current
Iowa 930 1.738 2.797 US 30 near Ames BooneStory county line 1972 current Unsigned highway
Iowa 934 4.881 7.855 Iowa 27 / Iowa 58 in Cedar Falls US 63 in Waterloo 1998 current Unsigned highway
Iowa 946 0.927 1.492 US 52 / US 61 / US 151 in Dubuque US 52 / US 61 / US 151 in Dubuque 1991 current Provides direct access to US 20
Iowa 961 3.613 5.815 Iowa 2 in Fort Madison US 61 at Fort Madison 2011 current Section of US 61 Bus in Fort Madison
Iowa 965 0.519 0.835 US 6 in Coralville I-80 in Coralville 1985 current

References[edit]

External links[edit]

The Iowa Highways Page by Jason Hancock