Interstate 35 in Iowa

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Interstate 35 marker

Interstate 35
I-35 roughly divides Iowa into east and west halves
Iowa's Interstate Highways with I-35 highlighted in red.
Route information
Maintained by Iowa DOT
Length: 218.432 mi[2] (351.532 km)
Existed: ca. September 21, 1958[1] – present
History: Under construction 1958–1975
Major junctions
South end: I-35 towards Kansas City, MO
  US 34 at Osceola
I-80 near Des Moines
US 30 at Ames
US 20 near Williams
US 18 / Iowa 27 near Mason City
North end: I-35 towards Minneapolis-St. Paul, MN
Highway system
← US 34 Iowa 37 →
This article is about the section of Interstate 35 in Iowa. For the entire length of the highway, see Interstate 35.

In the U.S. state of Iowa, Interstate 35 runs north–south through the Des Moines area, parallel to US 65 and US 69. Segments of the Interstate Highway overlap with Interstate 80 and Iowa Highway 27, Iowa's designation for the Avenue of the Saints.

Contents

Route description [edit]

Interstate 35 in Cerro Gordo county, near Exit 182. Swaledale is about one mile to the east.

Interstate 35 enters from Missouri south of Lamoni at an interchange for U.S. Route 69 (US 69). US 69 is immediately west of the interchange but does not pass beneath I-35. The interstate travels to the north-northeast for 4 miles (6.4 km) where it again meets US 69 east of Lamoni. Near Decatur City, it intersects Iowa Highway 2 (Iowa 2) at a diamond interchange. It continues north for 21 miles (34 km) towards Osceola, passing the small community of Van Wert.[2]

At Osceola, I-35 intersects U.S. Route 34 on the western side of town. From US 34, it heads north, passing Terrible's Lakeside Casino. Northwest of Osceola is the western end of Iowa 152, which connects I-35 and US 69 at a narrow point between the two routes. From here, it travels 20 miles (32 km) through rural Clarke County and Warren County to an interchange with Iowa 92 1⁄3 miles (0.54 km) east of Bevington.[2]

Exit 68 along I-35 is the northern end of Iowa Highway 5

Interstate 35 then turns north to go through Ankeny. It continues north and at Ames meets U.S. Highway 30. Ames is also served by Business Loop 35. I-35 continues north and meets Iowa Highway 175 near Ellsworth and meets the U.S. Highway 20 freeway near Williams. It continues north until the Wright County border, where it turns northeast. On this northeasterly alignment, I-35 meets Iowa Highway 3.

"Top of Iowa" traveler information center, located off Exit 214

It continues north, enters the Des Moines metropolitan area and meets the Iowa Highway 5 freeway at West Des Moines. Further on in West Des Moines, at the West Mixmaster Interchange, I-35 meets Interstate 80 and Interstate 235. I-235 serves downtown Des Moines, while I-35 and I-80 overlap and serve the western and northern Des Moines suburbs. On the Clive/Urbandale border, I-35 and I-80 meet U.S. Highway 6. Further north in Urbandale, they meet Iowa Highway 141 and turn eastward. They also meet U.S. Highway 69 north of Des Moines. Between Des Moines and Ankeny, at the East Mixmaster interchange, I-35 and I-80 separate at an interchange where they also meet I-235.

Shortly after meeting Iowa Highway 3, Interstate 35 turns north again and meets U.S. Highway 18 and Iowa Highway 27 near Clear Lake. I-35 overlaps U.S. 18 and Iowa Highway 27 through the Clear Lake area, which is also served with Business Loop 35. U.S. 18 separates in Clear Lake and I-35 and Iowa 27, which serves as the designation in Iowa for the Avenue of the Saints, overlap for the rest of the way to the Minnesota border, meeting Iowa Highway 9 near Hanlontown.

History [edit]

The first section of I-35, a 10-mile (16 km) long stretch from Cumming to Urbandale opened around September 21, 1958. Within five years, the interstate had grown to 55 miles (89 km), extending from U.S. Route 34 (US 34) Osceola to the eastern interchange with I-80 and I-235. The next two sections of I-35, 25 miles (40 km) from Ankeny to US 30 near Ames and 30 miles (48 km) from Ames to US 20 near Williams.[1]

By 1972, I-35 was completed at the Missouri and Minnesota state lines. In southern Iowa, the last section, from Iowa 2 near Decatur City to the state line, was completed on December 2, 1970. In northern Iowa, the section from Iowa 9 near Hanlontown to the state line opened on December 12, 1972. The last section of I-35 to open, from US 20 to Mason City, opened on November 14, 1975.[1]


Exit list [edit]

County Location Mile[2] km Exit[3] Destinations Notes
Harrison
 Colfax Township I-35 south Continuation into Missouri
Missouri–Iowa state line
 0.000 0.000 114 US 69 Exit number follows Missouri numbering; interchange is on the state line
Decatur
 Lamoni 4.169 6.709 4 US 69 – Lamoni, Davis City
Decatur City 12.803 20.604 12 Iowa 2 – Leon, Mount Ayr
Long Creek Township 17.927 28.851 18 CR J20 – Grand River, Garden Grove
Van Wert 22.271 35.842 22 CR J14 – Van Wert
Clarke
 Knox Township 29.348 47.231 29 CR H45
Osceola 33.164 53.372 33 US 34 – Creston, Osceola
34.535 55.579 34 Clay Street – Osceola
Osceola Township 36.306 58.429 36 Iowa 152
Warren
 Virginia Township 43.849 70.568 43 CR G76 – New Virginia
47.413 76.304 47 CR G64 – Truro
Jackson Township 51.948 83.602 52 CR G50 – St. Marys, St. Charles
Bevington 56.757 91.342 56 Iowa 92 – Indianola, Winterset
Cumming 65.043 104.677 65 CR G14 – Norwalk, Cumming
Polk
 West Des Moines 68.004 109.442 68 Iowa 5 south – West Des Moines, Norwalk, Des Moines International Airport
69.153 111.291 69 Grand Avenue – West Des Moines Signed as exits 69A (east) and 69B (west)
70.396 113.291 70 Mills Civic Parkway
72.678 116.964 72A I-235 east – West Des Moines, Des Moines
72B I-80 west – Council Bluffs, Omaha South end of I-80 overlap
73.246 117.878 72C University Avenue – Clive
Clive 74.243 119.483 125 US 6 (Hickman Road) – Adel Exit numbers follow I-80
Urbandale 75.250 121.103 126 Douglas Avenue – Urbandale
76.647 123.351 127 Iowa 141 west – Urbandale, Grimes
78.623 126.531 129 Northwest 86th Street – Camp Dodge
80.631 129.763 131 Iowa 28 south (Merle Hay Road) – Saylorville Lake
Saylor Township 84.422 135.864 135 Iowa 415 (2nd Avenue) – Polk City
85.670 137.873 136 US 69 (East 14th Street) – Ankeny
Ankeny 86.963 139.953 137A I-235 west – Des Moines
87A I-80 east – Davenport North end of I-80 overlap
88.922 143.106 89 Corporate Woods Drive Exit numbers follow I-35
90.484 145.620 90 Iowa 160 west (Oralabor Road) – Bondurant
92.486 148.842 92 1st Street
94 NE 36th Street Opened November 20, 2012
Elkhart Township 96.657 155.554 96 Polk City, Elkhart
Story
 Huxley 102.620 165.151 102 Iowa 210 – Huxley, Maxwell
Ames 111.582 179.574 111 I-35 Bus. north / US 30 – Nevada, Ames, Iowa State University Signed as exits 111A (east) and 111B (west/north)
113.438 182.561 113 I-35 Bus. south / 13th Street – USDA Veterinary Labs
Milford Township 116.438 187.389 116 CR E29
Howard Township 122.855 197.716 123 CR E18 – Roland, McCallsburg
Story City 124.348 200.119 124 Story City
Hamilton
 Scott Township 127.838 205.735 128 CR D65 – Stanhope, Randall
Ellsworth 132.820 213.753 133 Iowa 175 – Jewell, Eldora
Rose Grove Township 138.884 223.512 139 CR D41 / CR R61 – Kamrar
142.364 229.113 142 US 20 – Waterloo, Fort Dodge Signed as exits 142A (east) and 142B (west)
Williams Township 143.903 231.589 144 CR D25 – Williams, Ellsworth Community College
146.909 236.427 147 CR D20
Wright
 Vernon Township 151.244 243.404 151 CR R75 – Woolstock
Franklin
 Morgan Township 159.735 257.069 159 CR C47 – Dows
Scott Township 165.538 266.408 165 Iowa 3 – Clarion, Hampton
Marion Township 169.991 273.574 170 CR C25 – Alexander
Richland Township 176.196 283.560 176 CR C13 – Sheffield, Belmond
Cerro Gordo
 Pleasant Valley Township 179.820 289.392 180 CR B65 – Thornton
182.371 293.498 182 CR B60 – Rockwell, Swaledale
Mount Vernon Township 188.415 303.225 188 CR B43 – Burchinal
Lake Township 190.643 306.810 190 US 18 east / Iowa 27 east – Charles City, Mason City South end of US 18/IA 27 overlap
Clear Lake 193.092 310.751 193 I-35 Bus. north / CR B35 – Clear Lake, Mason City
193.962 312.152 194 US 18 west / I-35 Bus. south / Iowa 122 – Mason City, Clear Lake North end of US 18 overlap
Lincoln Township 197.653 318.092 197 CR B20
Worth
 Danville Township 203.574 327.621 203 Iowa 9 – Manly, Forest City
Brookfield Township 208.588 335.690 208 CR A38 – Joice, Kensett
Hartland Township 214.608 345.378 214 CR 105 – Lake Mills, Northwood Former IA 105
Iowa–Minnesota state line
 218.432 351.532 Iowa 27 ends North end of Iowa 27 overlap
Freeborn
 Freeman Township I-35 north Continuation into Minnesota
  •       Concurrency terminus
  •       Closed/former
  •       HOV only
  •       Incomplete access
  •       Tolled/ETC
  •       Unopened

See also [edit]

Portal icon Iowa portal
Portal icon U.S. Roads portal


References [edit]

  1. ^ a b c Iowa Department of Transportation (January 1, 1982). Completion Map of Interstate System (Map). http://www.iowadot.gov/50thpages/pdf/interstatemap.pdf. Retrieved January 11, 2011.
  2. ^ a b c d "2010 Volume of Traffic on the Primary Road System of Iowa" (PDF). Iowa Department of Transportation. January 1, 2010. Retrieved November 16, 2011. 
  3. ^ Iowa Department of Transportation (2011). Transportation Map (Map). http://www.iowadotmaps.com/msp/pdf/current/stmapmain.pdf. Retrieved November 16, 2011.


External links [edit]

Route map: Google / Bing

KML file (edit)
Interstate 35
Previous state:
Missouri		 Iowa Next state:
Minnesota
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