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Interstate 90 in Wisconsin

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This article is about the section of Interstate 90 in Wisconsin. For the entire route, see Interstate 90.
Interstate 90 marker
Interstate 90
Map
I-90 highlighted in red
Route information
Maintained by WisDOT
Length187.13 mi[1] (301.16 km)
NHSEntire route
Major junctions
West end I-90 at Minnesota state line
Major intersections
East end I-39 / I-90 at Illinois state line
Location
CountryUnited States
StateWisconsin
CountiesLa Crosse, Monroe, Juneau, Sauk, Columbia, Dane, Rock
Highway system
← WIS 89→ WIS 91

Interstate 90 (I-90) runs east–west through the western, central and southern portions of the U.S. state of Wisconsin. About 187 miles (301 km) of I-90 lie in the state.

All 187 miles of I-90 in Wisconsin have a speed limit of 70 mph.[citation needed]

Route description

[edit]

The highway enters from Minnesota over the Mississippi River just northwest of La Crosse. The freeway passes north of La Crosse and south of Onalaska as it heads towards Tomah. Once there, it joins I-94. The two Interstates run concurrently for the next 91.76 miles (147.67 km) to Madison. The highway collects Interstate 39, 63 miles (101 km) southeast of Tomah (near Portage). This concurrency of about 30 miles (48 km) is one of only three triplex concurrencies of the Interstate Highway System existence, the other two being in both Milwaukee and Indianapolis. I-39 continues along I-90 for the remaining 78 miles (126 km) in Wisconsin.

I-94 breaks away eastward toward Milwaukee at what is commonly known as the Badger Interchange, where the three Interstates meet with WIS 30. The remaining routes continue south to Janesville and Beloit before exiting the state.

I-90 Mississippi River Bridge near La Crosse
I-90 and I-94 junction near Tomah

History

[edit]

In 1959, I-90 was extended north from Rockton Road, the Northwest Tollway's (now Jane Addams Memorial Tollway's) northern terminus, in Illinois to US 14 near Janesville, Wisconsin.[2][3][4][5] In 1961, another section of I-90 was opened. This section ran from US 12/US 18 (later moved slightly southward) near Madison to US 12/US 16 (now US 12/WIS 16) near Wisconsin Dells.[6][7] In 1962, a connection between both opened sections opened to traffic.[7][8] In 1964, I-90 was extended northwestward to US 12/US 16 (now US 12/WIS 16) near Tomah.[9][10]

The Dresbach Bridge, spanning the Mississippi River west of La Crosse, was dedicated and opened to traffic on October 12, 1967.[11] By 1969, another separate section of I-90 was opened, traveling from the Minnesota state line to US 16 (now WIS 16) near La Crosse.[12][13] Later, both opened sections were then connected together.[13][14]

The Dresbach Bridge was replaced by the states of Minnesota and Wisconsin in 2016 under the former's program to replace outdated bridge designs following the 2007 I-35W bridge collapse. The old bridge was closed in April 2016 and the new structure opened in October.[15]

Starting in 2015, the 45-mile (72 km), southernmost section of I-39/I-90 (from US 12/US 18 to the Illinois state line) underwent a major reconstruction project. This involved widening the corridor to six lanes (eight lanes in the Janesville area) and reconfiguring all interchanges, including the I-43/WIS 81 interchange. The overall project was completed in 2021.[16]

Exit list

[edit]
CountyLocationmi[1]kmExitDestinationsNotes
Mississippi River0.000.00
 I-90 west – Rochester, Albert Lea		Continuation into Minnesota
I-90 Mississippi River Bridge
La CrosseTown of Campbell1.963.152 CTH-B – French IslandAccess to La Crosse Regional Airport
La Crosse2.874.623
 US 53 south / WIS 35 (Alt. I-90) – La Crosse, Onalaska		Western end of US 53 concurrency
Onalaska4.437.134
 US 53 north / WIS 157 – La Crosse, Onalaska		Eastern end of US 53 concurrency
5.749.245 WIS 16 – Onalaska, West Salem
Town of Hamilton11.7818.9612 CTH-C – West Salem
Bangor15.5725.0615 WIS 162 – Bangor, Coon Valley
MonroeSparta24.9140.0925 WIS 27 – Sparta, Melvina
Town of Angelo28.1845.3528 WIS 16 – Sparta
Town of Tomah41.4266.6641 WIS 131 – Tomah, Wilton
Tomah43.3269.7243 US 12 / WIS 16 – Tomah
Town of Oakdale45.1072.5845
 I-94 west – Eau Claire, St. Paul		Western end of I-94 concurrency; I-94 exit 147
Oakdale48.6078.2148 CTH-PP – Oakdale
JuneauCamp Douglas55.0388.5655 CTH-C – Camp Douglas, Volk Field
New Lisbon61.4698.9161 WIS 80 – New Lisbon
Town of Lemonweir69.02111.0869 WIS 82 – Mauston, Oxford
Lyndon Station78.97127.0979 CTH-HH – Lyndon Station
Town of Lyndon85.40137.4485 US 12 / WIS 16 – Wisconsin Dells
SaukWisconsin Dells87.22140.3787
 WIS 13 north – Wisconsin Dells
Lake Delton89.80144.5289 WIS 23 – Lake Delton, Reedsburg
Town of Delton93.13149.8892 US 12 – Baraboo, Lake DeltonUS 12 exit 211
ColumbiaTown of Caledonia105.73170.16106 WIS 33 – Portage, Baraboo
108.16–
108.59		174.07–
174.76		108A
 WIS 78 south – Merrimac
108B
 I-39 north – Wausau		Western end of I-39 concurrency
Town of Dekorra115.21185.41115 CTH-CS – Poynette, Lake Wisconsin
Town of Arlington119.20191.83119 WIS 60 – Lodi, Arlington
DaneTown of Vienna126.25203.18126 CTH-V – Dane, DeForest
Community of Windsor130.46209.96131 WIS 19 – Waunakee, Sun Prairie
Town of Burke131.98212.40132 US 51 – Madison, DeForest
Madison135.21–
135.24		217.60–
217.65		135A
 US 151 south – Madison		US 151 exit 97
135B
 US 151 north – Sun Prairie
135.45217.99135CHigh Crossing BoulevardWestbound exit and eastbound entrance
137.24220.87138A
 I-94 east – Milwaukee		Eastern end of I-94 concurrency; left exit and entrance eastbound; I-94 exit 240
137.59221.43138B
 WIS 30 west – Madison		Left exit and entrance westbound; serves Dane County Airport; WIS 30 exit 3 eastbound exit 240A westbound
Town of Blooming Grove141.43227.61142 US 12 / US 18 – Madison, CambridgeSigned as exits 142A (west) and 142B (east); US 12 exit 267
Town of Pleasant Springs146.80236.25147 CTH-N – Stoughton, Cottage Grove
Town of Christiana155.90250.90156

 US 51 north to CTH-A – Stoughton, Deerfield		Western end of US 51 concurrency
Town of Albion159.64256.92160
 US 51 south – Edgerton


 WIS 73 north to WIS 106 – Deerfield		Eastern end of US 51 concurrency
RockTown of Fulton162.57261.63163 WIS 59 – Edgerton, Milton
Janesville170.81274.89171A WIS 26 – Milton
171.52–
171.57		276.03–
276.12		171B

 Alt. I-39 south / US 14 – Janesville		Formerly split into exits 171B (west) and 171C (east)
174.71281.17175


 Alt. I-39 north / WIS 11 east (Racine Street) – Delavan		Western end of WIS 11 concurrency; former Bus. US 14
Town of La Prairie177.22285.21177
 WIS 11 west – Janesville, Avalon		Eastern end of WIS 11 concurrency
Town of Turtle182.41293.56183 CTH-S (Shopiere Road)
Beloit184.70297.25185A WIS 81 – Beloit
184.68297.21185B
 I-43 north – Milwaukee		I-43 exit 0
187.13301.16

 I-39 south / I-90 east – Rockford, Chicago		Continuation into Illinois
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

[edit]
  1. ^ a b Southwest Region Staff (December 31, 2008). State Trunk Highway Log for Southwest Region (XLS). Madison, WI: Wisconsin Department of Transportation. 090E.
  2. ^ State Highway Commission of Wisconsin (1959). Wisconsin Highway Map (PDF) (Map). 1:887,040. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via Wikimedia Commons.
  3. ^ Illinois Division of Highways; H.M. Gousha (1959). Illinois Official Highway Map (Map). [1:790,00]. Springfield: Illinois Division of Highways. Retrieved March 27, 2021 – via Illinois Digital Archives.
  4. ^ State Highway Commission of Wisconsin (1960). Wisconsin Highway Map (PDF) (Map). 1:887,040. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via Wikimedia Commons.
  5. ^ Illinois Division of Highways; H.M. Gousha (1960). Illinois Official Highway Map (Map). [1:790,00]. Springfield: Illinois Division of Highways. Retrieved March 27, 2021 – via Illinois Digital Archives.
  6. ^ State Highway Commission of Wisconsin (1961). Wisconsin Highway Map (PDF) (Map). c. 1:538,560. Madison: State Highway Commission of Wisconsin. OCLC 221945165, 506588105. Retrieved March 27, 2021 – via Wikimedia Commons.
  7. ^ a b State Highway Commission of Wisconsin (1962). Wisconsin Highway Map (PDF) (Map). c. 1:538,560. Madison: State Highway Commission of Wisconsin. OCLC 12359573. Retrieved March 27, 2021 – via Wikimedia Commons.
  8. ^ State Highway Commission of Wisconsin (1963). Wisconsin Highway Map (PDF) (Map). 1:823,680. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via Wikimedia Commons.
  9. ^ State Highway Commission of Wisconsin (1964). Wisconsin Highway Map (PDF) (Map). 1:823,680. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via Wikimedia Commons.
  10. ^ State Highway Commission of Wisconsin (1965). Wisconsin Highway Map (Map). 1:823,680. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via American Geographical Society Library Digital Map Collection.
  11. ^ Holmlund, James O. (October 13, 1967). "Many Drives Give New I-90 A Trial Spin". La Crosse Tribune. p. 1. Retrieved December 3, 2021 – via Newspapers.com.
  12. ^ State Highway Commission of Wisconsin (1967). Wisconsin Highway Map (Map). 1:823,680. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via American Geographical Society Library Digital Map Collection.
  13. ^ a b State Highway Commission of Wisconsin (1969). Wisconsin Highway Map (Map). Scale not given. Madison: State Highway Commission of Wisconsin. Retrieved March 27, 2021 – via American Geographical Society Library Digital Map Collection.
  14. ^ Wisconsin Department of Transportation Division of Highways (1970). Wisconsin Highway Map (Map). 1:823,680. Madison: Wisconsin Department of Transportation. Retrieved March 27, 2021 – via American Geographical Society Library Digital Map Collection.
  15. ^ Hubbuch, Chris (October 21, 2016). "Minnesota, Wisconsin celebrate completion of I-90 bridge". La Crosse Tribune. Retrieved May 2, 2022.
  16. ^ "I-39/90 Expansion Project: Illinois state line to Madison, Dane and Rock counties". Wisconsin Department of Transportation. Archived from the original on 2021-03-25. Retrieved 2021-03-28.
[edit]
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  • I-90 at Wisconsin Highways


Interstate 90
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Minnesota 		Wisconsin Next state:
Illinois
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