Northern terminus: IA 3 near Remsen
Southern terminus: US 20 in Moville
Terminus photos
Counties: Plymouth, Woodbury
Cities along route: Remsen, Kingsley, Moville
Paving history: There were no paved segments at the time of designation.
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| 120-139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 160-179 |
| 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | ||
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Iowa 140 |
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Length: 25 miles/40 kilometers Northern terminus: IA 3 near Remsen Southern terminus: US 20 in Moville Terminus photos Counties: Plymouth, Woodbury Cities along route: Remsen, Kingsley, Moville |
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| History | |
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Designated: October 16, 1926, to the former IA 30 between Remsen and Moville Paving history: There were no paved segments at the time of designation. |
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Iowa 141 |
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Length: 156 miles/251 kilometers Western terminus: I-29 (exit #127) near Sloan Eastern terminus: I-35/80 (exit #127) in Urbandale Not only are both ends at Interstates, but the exit numbers at both endings are the same! Terminus photos Counties: Woodbury, Monona, Crawford, Carroll, Guthrie, Dallas, Polk Cities along route: Sloan, Hornick, Smithland, Mapleton, Ute, Charter Oak, Denison, Manilla, Aspinwall, Manning, Dedham, Coon Rapids, Bayard, Bagley, Perry, Woodward, Granger, Johnston, Grimes, Urbandale NHS: The multiplexed segments with US 59, US 30, and US 71, and from IA 4 to the east end at I-35/80 Commercial and Industrial Network: The multiplexed segments with US 30 and US 71, and the segment from US 169 east of Perry to I-35/80 Expressway segment: 26 miles, from IA 144 in Perry to the eastern terminus at I-35/80. This segment was named the George Soumas Memorial Highway in early 2013 in honor of George P. Soumas (1915-1994), a World War II veteran and former mayor of Perry who led the community effort to encourage the completion of this expressway. Exit lists: Segment from Perry to I-35/80 Multiplexes: |
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| History | |
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Designated: October 16, 1926, replacing IA 23 (I) west of downtown Sioux City and IA 34 between downtown Sioux City and Denison Paving history: At the time of designation, the segment from Sioux City to a point east of Luton was the only paved segment. Major alignment changes: Upgrades: |
| Iowa 142 (I) |
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Designated: October 16, 1926 Decommissioned: January 1, 1969 Original northern terminus: IA 3 (later IA 2) Original southern terminus: Moulton; it was extended to the Missouri state line on March 15, 1938. Counties: Appanoose Paving history: There were no paved segments at designation. The segment from IA 2 to Moulton was paved in 1951, while the rest of the road was paved in 1959. Replaced by: IA 202. This route replaced IA 71. |
| Iowa 142 (II) |
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Designated: August 6, 1980 Decommissioned: May 1, 2003 Original northeastern terminus: IA 5 near Moravia Original southwestern terminus: IA 2 at Plano Counties: Appanoose Paving history: The entire road was paved at the time of designation. Replaced by: County Roads S70 and J18; these were the pre-1980 designations for the 21-mile route bypassing Rathbun Lake to the north and west. Terminus photos |
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Iowa 143 |
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Length: 12 miles/19 kilometers Northern terminus: IA 10 east of Granville Southern terminus: IA 3 south of Marcus Terminus photos Counties: O'Brien, Cherokee Cities along route: Marcus |
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| History | |
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Designated: October 16, 1926, to the former IA 75 Paving history: There were no paved segments at designation. Major alignment changes: |
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Iowa 144 |
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Length: 34 miles/55 kilometers Northern terminus: IA 175 west of Harcourt Southern terminus: IA 141 in Perry Terminus photos Counties: Webster, Greene, Boone, Dallas Cities along route: Dana, Grand Junction, Rippey, Perry NHS: The segment through Perry |
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| History | |
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Designated: October 16, 1926, along part of the former IA
16 from the old IA 47 (I) to Grand Junction Paving history: There are no paved segments at designation. A paved multiplex with US 30 through Grand Junction was added in 1941. Major alignment changes: |
| Iowa 145 (I) |
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Designated: October 16, 1926 Decommissioned: January 1931 Original northern terminus: Cleghorn Original southern terminus: IA 5 (now IA 3) Counties: Cherokee Paving history: There were no paved segments. Replaced by: County road (now numbered L40). This route replaced IA 32 (I). |
| Iowa 145 (II) |
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Designated: January 20, 1931 Decommissioned: July 1, 2003 Original western terminus: Thurman; it was extended to I-29 (exit #20) on July 1, 1980 Original eastern terminus: US 275 north of Sidney Counties: Fremont Paving history: There were no segments at designation. The extension from Thurman to I-29 was entirely paved, while the segment east of Thurman was upgraded from bituminous to paved around 1993. Replaced by: County Road J24 (the segment west of Thurman was J18 before 1980) Terminus photos |
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Iowa 146 |
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Length: 43 miles/69 kilometers Northern terminus: US 30 in Le Grand Southern terminus: US 63 and unsigned IA 102 in New Sharon Terminus photos Counties: Marshall, Tama, Poweshiek, Mahaska Cities along route: Le Grand, Gilman, Grinnell, Searsboro, New Sharon NHS: The segment through Grinnell |
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| History | |
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Designated: October 16, 1926, to the former IA 63 segment between Grinnell and New Sharon. Paving history: There were no paved segments at designation. Major alignment changes: |
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| Notes | |
| The 21-mile segment between Le Grand and Grinnell was mistakenly left off the 2000 official state transportation map; however, Iowa DOT officials assured that the highway was not decommissioned or modified. The symbols remained on the map, but the road itself was left off. It does appear in 2001 and subsequent editions. |
| Iowa 147 |
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Designated: October 16, 1926 Decommissioned: July 1, 2003 Original western terminus: US 18 west of Rudd; it was truncated at Rockford in 1966 as the north-south segment was dropped from the route. Original eastern terminus: IA 14 west of Charles City Counties: Floyd Paving history: There were no paved segments at designation. The gravel north-south segment was paved after it was dropped in 1966, while the bituminous east-west segment was paved in 1973. Replaced by: County road, now numbered T24 (north-south segment between US 18 and Rockford in 1966); County Road B45 (east-west segment at decommissioning). This road replaced IA 53 (I). Terminus photos |
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Iowa 148 |
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Length: 67 miles/108 kilometers Northern terminus: I-80 (exit #70) north of Anita Southern terminus: Missouri state line north of Hopkins, MO; continues as MO 148 Terminus photos Counties: Cass, Adams, Taylor Cities along route: Anita, Corning, Bedford Multiplexes: |
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| History | |
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Designated: October 16, 1926, replacing IA 16 (I) between Corning and the Missouri state line Paving history: There were no paved segments at designation. Major alignment changes: |
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Iowa 149 |
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Length: 67 miles/108 kilometers Northern terminus: I-80 (exit #220) at Williamsburg Southern terminus: US 34 in Ottumwa Terminus photos Counties: Iowa, Keokuk, Mahaska, Wapello Cities along route: Williamsburg, Parnell, North English, South English, Webster, Sigourney, Martinsburg, Hedrick, Ottumwa NHS: A short segment north of the interchange with US 63 in Ottumwa Multiplexes: |
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| History | |
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Designated: October 16, 1926, to a segment of IA 13 between US 32 (now US 6) west of the Amana Colonies and US 63. Paving history: There were no paved segments at designation. Major alignment changes: |
| Iowa 150 (I) | |
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Designated: October 16, 1926 Decommissioned: March 1930 Original northern terminus: US 30 west of Cedar Rapids Original southern terminus: US 32 (now US 6) in Homestead Counties: Linn, Benton, Iowa Paving history: There were no paved segments. Replaced by: IA 149; this highway replaced part of IA 13. |
| Iowa 150 (II) |
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Designated: October 28, 1930 Decommissioned: December 1, 1930 Original northern terminus: Schleswig Original southern terminus: IA 141 north of Denison Counties: Crawford Paving history: There were no paved segments. Replaced by: An extension of IA 21 (I). While this number was approved at a Highway Commission meeting on October 24, the Commission approved the IA 21 extension from Ida Grove to Denison, which superseded this incarnation of IA 150, on November 12. The IA 21 extension became official on December 1, which was the date that this version of IA 150 was supposed to take effect. Thus, as confirmed from newspaper articles from that era, this short-lived highway was never signed. |
| Iowa 150 (III) |
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Designated: May 27, 1931 Decommissioned: August 1941 Original northern terminus: US 30 in Jefferson Original southern terminus: IA 46 (now IA 141) east of Bagley; it was extended southward to IA 7 (now 44) at Panora on December 6, 1938, engulfing most of IA 271 (II) along the way. Counties: Greene, Guthrie Paving history: There were no paved segments. Major alignment changes: In 1934, the 12-mile segment between Jefferson and Herndon was shifted one and a half miles to the west, running west of Cooper instead of east. Replaced by: IA 17 (I) |
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Iowa 150 |
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Length: 85 miles/137 kilometers Northern terminus: The intersection with US 52 and IA 24 in Calmar Southern terminus: US 218 in Vinton Terminus photos Counties: Winneshiek, Fayette, Buchanan, Benton Cities along route: Calmar, West Union, Fayette, Maynard, Oelwein, Hazleton, Independence, Urbana, Vinton NHS: Entire route Multiplexes: |
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| History | |
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Designated: September 4, 1941 (number approved June 9), replacing IA 11
between Calmar and Cedar Rapids, and IA 74 (I)
between Tipton and Davenport, sharing segments of US
30 (about 27 miles in 1951) and IA 38 (8 miles) in between. This road was intended to be an extension of US 150, which was announced by the Highway Commission in June 1941, but was never signed as such in Iowa. However, according to Dale Sanderson's site, the Centennial Bridge was originally co-signed as US 67 and US 150, with the latter transitioning into IA 150 at the foot of the bridge. (The bridge was owned by the city of Rock Island until 2005, so any US 150 signage on the Iowa side of the bridge likely came from Illinois.) IA 150 ended there until its truncation in 1969. Paving history: At the time of designation, the entire road was paved except for the segment from Calmar to West Union. That segment was bituminous until it was paved in 1958. Major alignment changes: |
| Iowa 151 |
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Designated: October 16, 1926 Decommissioned: January 1, 1938 Original western terminus: US 71 in Auburn Original eastern terminus: IA 17 (now IA 4) east of Lake City Counties: Sac, Calhoun Paving history: There were no paved segments at designation. The segment from Lake City to IA 17 was paved in 1936, but the segment west of Lake City remained unpaved at decommissioning. Replaced by: IA 188 (II); this highway replaced part of IA 35 (I). The number was reassigned to US 151. |
| Iowa 152 (I) |
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Designated: September 20, 1926 Decommissioned: October 27, 1980 Original northern terminus: Murray Original southern terminus: US 34 Counties: Clarke Paving history: Unpaved at designation, it was upgraded from bituminous to paved in 1971. Replaced by: County Road R16. It was created from a realignment of the former IA 8 (I) just before it became US 34. The three-quarters-of-a-mile segment through Murray that followed 135th Avenue, 1st Street, Grant Street, 5th Street, and Maple Street was maintained by the state as unposted IA 929 until July 1, 2003. Note: The original IA 152, as laid out in the Highway Commission's Service Bulletin in the fall of 1925, was supposed to have replaced part of IA 17 (I) between US 30 near Grand Junction and IA 16 east of Perry. However, that road was not renumbered until it became part of IA 144 in 1941. |
| Iowa 152 (II) |
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Designated: October 27, 1980 Decommissioned: April 2015 Original western terminus: I-35 (exit #36) in Clarke County Original eastern terminus: US 69 at the north end of Osceola Counties: Clarke Paving history: The entire road was paved at the time of designation. Replaced by: County Road R35, which was its designation prior to being taken over by the state. However, the segment between the I-35 interchange ramps may still carry the IA 152 designation according to the 2018 map of Clarke County. Terminus photos |
| Iowa 153 (I) |
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Designated: October 25, 1926 Decommissioned: December 1, 1930 Original northern terminus: IA 117 (now IA 64) at Wyoming Original southern terminus: Oxford Junction Counties: Jones Paving history: There were no paved segments. Replaced by: IA 136 |
| Iowa 153 (II) |
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Designated: December 1, 1930 (number approved November 11) Decommissioned: July 15, 1957 Original northern terminus: Oakdale (now part of Coralville); it was extended to US 218 near North Liberty in 1931 Original southern terminus: US 6 near Coralville Counties: Johnson Paving history: There were no paved segments. Replaced by: A realigned US 218 between North Liberty and Oakdale, and local roads between Oakdale and US 6. (Most of that alignment, 25th Street in Coralville, has since been removed although a small piece of 25th Street still exists near Coral Ridge Mall.) Part of the old US 218 alignment became IA 153 (III). For maps of the route, see the Highways of Iowa City page. |
| Iowa 153 (III) |
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Designated: July 15, 1957 Decommissioned: October 16, 1968 Original northwestern terminus: US 218 Original southeastern terminus: North Liberty Counties: Johnson Paving history: The entire road was paved at the time of designation. Replaced by: Local road (Dubuque Street in North Liberty). This was created out of a piece of US 218 after it replaced most of the previous IA 153. |
| Iowa 154 |
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Designated: October 25, 1926 Decommissioned: November 25, 1980 Original northwestern terminus: IA 11 (later IA 150) south of Fayette Original southeastern terminus: IA 10 (later IA 3) south of Arlington Counties: Fayette Paving history: Unpaved at designation, the entire road was paved in 1955. Replaced by: IA 187 Former terminus photos |
| Iowa 155 (I) |
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Designated: October 18, 1927 Decommissioned: April 16, 1931 Original western terminus: Commerce, now part of West Des Moines Original eastern terminus: IA 28 (SW 9th Street) south of Des Moines (at the time, it was a half-mile south of the city limits). One map I have seen showed it ending at US 65/69 (which followed Indianola Avenue at the time) before it was decommissioned. Counties: Polk Paving history: There were no paved segments. Replaced by: County Road X, now local roads. The bridge that it followed across the Raccoon River was removed after flooding washed it out in 1965. The route followed present-day Walnut Woods Drive and Browns Woods Drive in West Des Moines as well as McKinley Avenue in Des Moines (except for a portion of the road that was removed to make room for the Des Moines Airport). For a map of the route, see the Highways of Des Moines page. |
| Iowa 155 (II) |
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Designated: February 14, 1933 Decommissioned: October 20, 1980 Original northern terminus: US 34 in western Adams County; in 1965 the northernmost 1½ miles were truncated after US 34 was realigned. Original southern terminus: Nodaway Counties: Adams Paving history: Unpaved at designation, the entire road was paved in 1955. Replaced by: County Road N26, plus one block of 8th Avenue and one block of 3rd Street in Nodaway. Former terminus photos |
| Iowa 156 |
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Designated: January 31, 1928 Decommissioned: July 1, 2003 Original western terminus: IA 6 (II), later IA 60 (I) and most recently IA 5 Original eastern terminus: Bussey; it was truncated at the north city limits on December 19, 1980. Counties: Marion Paving history: Unpaved at designation, the entire road was paved in 1955. Replaced by: County Road G71 Former terminus photos |
| Iowa 157 (I) |
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Designated: February 28, 1928 Decommissioned: December 1, 1928 (or sometime before 1931) Original western terminus: South city limits of Monticello Original eastern terminus: US 161 south of Monticello Counties: Jones Paving history: There were no paved segments. Replaced by: Unknown; it could have been replaced by IA 113 (I), or it could have also reverted to local control before the number for the second IA 157 was assigned. This 800-foot highway, which was referenced in Highway Commission meeting notes in February 1928, may not have been signed because of its short length, and it never appeared on maps. The October 29, 1928, Highway Commission meeting notes did not mention any changes to this highway when the extension of 113 was approved. This highway, which is now inside Monticello's city limits, followed present-day Cedar Street southward to Main Street in Monticello, while IA 38 currently follows Cedar and 1st Streets to Main Street. |
| Iowa 157 (II) |
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Designated: 1931 Decommissioned: July 1, 2003 Original western terminus: IA 59, later US 63, southeast of Chester Original eastern terminus: Lime Springs Counties: Howard Paving history: The entire road was paved at the time of designation. Replaced by: County Road A21. This highway was created after the then-IA 59 was realigned between Chester and IA 9. Terminus photos |
| Iowa 158 |
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Designated: 1929 Decommissioned: January 1, 1962 Original western terminus: IA 6 (II), later IA 60 (now IA 5), southeast of Des Moines Original eastern terminus: Carlisle Counties: Warren Paving history: Unpaved at designation, the entire road was paved in 1934. Replaced by: City streets (it followed School Street, originally known as South Street, in Carlisle) For maps of the route, see the Highways of Des Moines page. |
| Iowa 159 |
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Designated: August 7, 1929 Decommissioned: July 1, 1980 Original northern terminus: Harper Original southern terminus: IA 92 Counties: Keokuk Paving history: Unpaved at designation, it was upgraded from bituminous to paved in 1968. Replaced by: County Road V67 |