Wisconsin Highway 21

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State Trunk Highway 21 marker

State Trunk Highway 21
Route information
Maintained by WisDOT
Length: 123.4 mi[1] (198.5 km)
Major junctions
West end: WIS 16 / WIS 27 / WIS 71 in Sparta
  US 12 in Tomah
I-94 in Tomah
I-39 / US 51 in Coloma
US 41 in Oshkosh
East end: US 45 in Oshkosh
Location
Counties: Monroe, Juneau, Adams, Waushara, Winnebago
Highway system
WIS 20 WIS 22

State Trunk Highway 21 (often called Highway 21, STH 21 or WIS 21) is a state highway in the U.S. state of Wisconsin. It runs east–west across the center of the state between Sparta, Wisconsin and Oshkosh. The route often serves as a direct route for travelers between Appleton and Oshkosh to Tomah, and La Crosse It is a two-lane surface road for nearly all of its length, with the exception of a few urban arterials of four or more lanes. The section of WIS 21 between Fort McCoy and I-94 in Tomah is classified as a "Major STRAHNET Connector." while the route past I-94 is classified as a "Non-Interstate STRAHNET Route"[1]

Route description[edit]

WIS 21 begins at the intersection of WIS 16, WIS 71 and WIS 27[2] The route then follows WIS 16 and WIS 71 east for about one half of a mile before turning north off the concurrency. WIS 21 proceeds northeast, following the La Crosse River and passes through Fort McCoy. The route then turns eastward and floolws alongside the Tarr and Sparta Creeks, passing through Tunnel City. WIS 21 crosses US 12 and I-94 on the north side of Tomah. The route continues east from there to junction with WIS 173 west of Wyeville and then crosses into Juneau County.[3] WIS 21 passes through the Necedah National Wildlife Refuge during its twelve mile (19 km) stretch of straight route to Necedah. The highway crosses WIS 80 within Necedah and crosses the Wisconsin River at about 3 miles (4.8 km) east of the village. WIS 21 enters Adams County at the river, just south of Petenwell Lake.[4] WIS 29 junctions with WIS 13 three miles (5 km) north of Friendship. The route also provides indirect access to Roche-a-Cri State Park via WIS 13.[5]

Eastern terminus at U.S. Route 45

WIS 21 crosses I-39 and US 51 at Coloma in Waushara County. The route passes through the village just east of the Interstate. After passing through Richford at CTH B, WIS 21 gradually curves northward to junction with CTH Y - where it turns sharply eastward and junctions with WIS 22 and WIS 73 north in Wautoma. WIS 21 follows WIS 73 south for two miles (3 km) before turning east again of the concurrency near Silver Lake. WIS 152 junctions with the routes about two miles (3 km) northwest of the eastern concurrency terminus. The highway passes through Lohrville and Redgranite and junctions with WIS 49 south of Auroraville.[6]

WIS 21 enters Winnebago County five miles (8 km) east of WIS 49. WIS 21 crosses WIS 116 in Omro. The route then enters the greater Oshkosh are and junctions with US 41 along Omro Road.[7] WIS 21 continues along Omro Road, Oshkosh Avenue and Congress Avenue, ending at US 45 (Algoma Boulevard) on the northwest side of Oshkosh after crossing the upper Fox River east of Lake Butte des Morts.[8]

History[edit]

The route was first written into law in from La Crosse to Oshkosh.[9] The highway passed through Sparta, but through the south side of Tomah and New Lisbon before turning north to Necedah. After crossing the Wisconsin River, WIS 21 followed WIS 13 into Adams and Friendship. Both routes followed a different right-of-way at the time. WIS 21 then returned to the present corridor route to pass through Coloma, Wautoma, Omro and into Oshkosh.[10] The route from La Crosse to New Lisbon was removed in the early 1920s and extended along its current alignment through Wyeville to North Tomah.[11] The highway was rerouted in Adams County to become more direct between Arkdale and CTH-G in 1939. The western extension past Fort McCoy into Sparta was added in 1947.[1]

Major intersections[edit]

County Location Mile km Destinations Notes
Monroe Sparta WIS 16 west / WIS 27 / WIS 71 north End WIS 21
WIS 21 East / WIS 71 South follow WIS 16 East
WIS 71 North follow WIS 27 North
WIS 16 east / WIS 71 south WIS 21 West / WIS 71 North follow WIS 16 West
Angelo CTH-I / CTH-Q
Tunnel City CTH-M
Tomah I-94 / US 12
Wyeville WIS 173 / CTH-N
CTH-PP
Juneau Cutler CTH-M
Necedah WIS 80
CTH-G
Adams Arkdale CTH-Z
Cottonville WIS 13
  CTH-G
Waushara Coloma I-39 / US 51
Richford CTH-B
  CTH-Y
Wautoma WIS 22 south WIS 22 North follow WIS 21 East
WIS 22 north / WIS 73 north WIS 22 South Follow WIS 21 West
WIS 73 South Follow WIS 21 East
WIS 152
WIS 73 south WIS 73 North follow WIS 21 West
Lohrville CTH-S
Redgranite CTH-E
Auroraville WIS 49
Winnebago Rushford CTH-K
Omro WIS 116
Oshkosh US 41
US 45 End WIS 21
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ a b c Bessert, Chris. "Wisconsin Highways: Highways 20-29 (Highway 21)". Wisconsin Highways. Retrieved 2007-03-20. 
  2. ^ "State Trunk Network Routes in Wisconsin" (pdf). Wisconsin Department of Transportation. Retrieved 2008-01-08. 
  3. ^ Wisconsin Department of Transportation (pdf). Monroe Co (Map). http://www.dot.wisconsin.gov/travel/maps/docs/counties/monroe.pdf. Retrieved 2008-01-08.
  4. ^ Wisconsin Department of Transportation (pdf). Juneau Co (Map). http://www.dot.wisconsin.gov/travel/maps/docs/counties/juneau.pdf. Retrieved 2008-01-08.
  5. ^ Wisconsin Department of Transportation (pdf). Adams Co (Map). http://www.dot.wisconsin.gov/travel/maps/docs/counties/adams.pdf. Retrieved 2008-01-08.
  6. ^ Wisconsin Department of Transportation (pdf). Waushara Co (Map). http://www.dot.wisconsin.gov/travel/maps/docs/counties/waushara.pdf. Retrieved 2008-01-08.
  7. ^ Wisconsin Department of Transportation (pdf). Winnebago Co (Map). http://www.dot.wisconsin.gov/travel/maps/docs/counties/winnebago.pdf. Retrieved 2008-01-08.
  8. ^ Google Inc. "Oshkosh, WI, United States of America". Google Maps (Map). Cartography by Google, Inc. http://maps.google.com/maps?q=Oshkosh,+WI,+United+States+of+America&ie=UTF8&ll=44.03121,-88.556242&spn=0.040728,0.074844&z=14&om=1. Retrieved 2008-01-08.
  9. ^ Bulletin 9. Wisconsin Highway Commission. 1920. Retrieved 2008-01-08. 
  10. ^ "Original State Trunk Highway System in Wisconsin". Southeast Wisconsin Regional Planning Commission. 1918. Retrieved 2008-01-08. 
  11. ^ "Rand McNally Auto Road Atlas". Rand McNally. 1926. Retrieved 2007-12-31.