{{short description|State highway in Wisconsin, United States}} {{Use American English|date=May 2025}} {{Use mdy dates|date=April 2022}} {{Infobox road |state=WI |type=WI |route=104 |map={{maplink-road|from=Wisconsin Highway 104.map}} |map_custom=yes |map_notes=WIS 104 highlighted in red |length_mi=15.4 |length_ref=<ref name=gmaps/> |direction_a=South |terminus_a={{Jct|state=WI|WI|11}} in [[Brodhead, Wisconsin|Brodhead]] |direction_b=North |terminus_b={{Jct|state=WI|WI|92}} in [[Brooklyn (village), Wisconsin|Brooklyn]] |counties=[[Green County, Wisconsin|Green]], [[Rock County, Wisconsin|Rock]], [[Dane County, Wisconsin|Dane]] |previous_type=WI |previous_route=103 |next_type=WI |next_route=105 }} '''State Trunk Highway 104''' (often called '''Highway 104''', '''STH-104''' or '''WIS 104''') is a [[state highway (US)|state highway]] in the US state of [[Wisconsin]]. It runs in a north–south direction in south central Wisconsin from [[Brodhead, Wisconsin|Brodhead]] to [[Brooklyn (village), Wisconsin|Brooklyn]]. It was first designated in 1919–1920 before being rerouted in 1923–1926 and extended in 1999.
==Route description== WIS 104 is a two-lane undivided highway for its entire length, travelling straight north-south along the [[Green County, Wisconsin|Green County]] line from [[Wisconsin Highway 11|WIS 11]] in [[Brodhead, Wisconsin|Brodhead]] to [[Wisconsin Highway 92|WIS 92]] in [[Brooklyn (village), Wisconsin|Brooklyn]]. Starting at Brodhead as a continuation of County Trunk Highway T (CTH-T), WIS 104 begins to travel northward from WIS 11 and CTH-T. Then, after {{convert|6.2|mi|km}}, it [[concurrency (road)|runs concurrently]] with [[Wisconsin Highway 59|WIS 59]]. After leaving the concurrency, it then travels under {{convert|3.2|mi|km}} before a short, {{convert|0.2|mi|km|adj=on}} concurrency with CTH-C after which it travels another {{convert|4.5|mi|km}} before ending at WIS 92 in Brooklyn. The road continues north as CTH-MM.<ref name="gmaps"/><ref name=wismap>{{cite WisDOT map |year = 2019 |sections = F10–G11 |access-date = April 30, 2022 }}</ref>
==History== WIS 104 was first designated in 1919–1920, running along its current route north of Broadhead before turning east then north to [[Wisconsin Highway 10|WIS 10]] in [[Evansville, Wisconsin|Evansville]].<ref name=1919map>{{cite map |author = Rand McNally |year = 1919 |title = Rand McNally Official 1919 Auto Trails Map, District Number 8: Southern Wisconsin, Northern Illinois |url = https://content.wisconsinhistory.org/digital/collection/maps/id/15811/rec/4 |scale = c. 1:647,000 |location = Chicago |publisher = Rand McNally |oclc = 69109720 |access-date = April 30, 2022 |via = Wisconsin Historical Society }}</ref><ref name=1920map>{{cite map |author = Rand McNally |year = 1920 |title = Rand McNally Official 1920 Auto Trails Map, District No. 8: Wisconsin, Northern Ill., Northern Mich. |url = https://content.wisconsinhistory.org/digital/collection/maps/id/1100/rec/1 |scale = c. 1:877,824 |location = Chicago |publisher = Rand McNally |access-date = April 30, 2022 |via = Wisconsin Historical Society }}</ref> In 1923–1926, the highway was rerouted, removing all of its sections not on the current route and adding a short section to connect to WIS 59.<ref name=1923map>{{cite map |author = Rand McNally |year = 1923 |title = Rand McNally Official 1923 Auto Trails Map: District No. 8, Wisconsin, Northern Illinois, Northeast Iowa, Northern Michigan |url = https://content.wisconsinhistory.org/digital/collection/maps/id/1102/rec/1 |scale = c. 1:657,000 |location = Chicago |publisher = Rand McNally |access-date = April 30, 2022 |via = Wisconsin Historical Society }}</ref><ref name=mid20smap>{{cite map |title = The Madison Motorist Guide |url = https://content.wisconsinhistory.org/digital/collection/maps/id/12802/rec/33 |date = 1923–1926 |location = Madison |publisher = n.p. |oclc = 708055626 |via = Wisconsin Historical Society |access-date = April 30, 2022 }}{{better source needed|date=April 2022}}</ref> Its route then remained unchanged until 1999 when it was extended {{convert|8.9|mi|km}} north to its present northern terminus at WIS 92 in Brooklyn.<ref name=gmaps/><ref name=1998map>{{cite map |author = Wisconsin Department of Transportation |date = December 31, 1998 |map = Green County |title = Official State Trunk Highway System Maps |url = https://www.wistatedocuments.org/digital/collection/p267601coll4/id/24301/rec/10 |scale = Scale not given |location = Madison |publisher = Wisconsin Department of Transportation |page = 28 |oclc = 61249209 |access-date = April 30, 2022 |via = Wisconsin Digital Archives }}</ref><ref name=1999map>{{cite map |author = Wisconsin Department of Transportation |date = December 31, 1999 |map = Green County |title = Official State Trunk Highway System Maps |url = https://www.wistatedocuments.org/digital/collection/p267601coll4/id/24277/rec/9 |scale= Scale not given |location = Madison |publisher = Wisconsin Department of Transportation |page = 28 |oclc = 61249209 |access-date = April 30, 2022 |via = Wisconsin Digital Archives }}</ref>
==Major intersections== The entire highway is along the [[Green County, Wisconsin|Green]] county line. {{Jcttop|length_ref=<ref name="gmaps">{{google maps |title = Overview Map of WIS 104 |url = https://www.google.com/maps/dir/42.6293279,-89.3670455/42.686606,-89.3676077/42.7085426,-89.368052/42.7197933,-89.3682875/42.7376827,-89.3685125/42.7846919,-89.3691891/42.7871995,-89.3691928/42.8523065,-89.3690787/@42.7484618,-89.5249667,11.04z/data=!4m2!4m1!3e0 |access-date = April 30, 2022 }}</ref>}} {{WIint |county1=Green |county2=Rock |cspan=7 |location=Brodhead |mile=0.0 |road={{Jct|state=WI|WI|11|city1=Brodhead|city2=Janesville}} }} {{WIint |town=Magnolia |lspan=2 |mile=4.0 |road={{Jct|state=WI|CTH|B|dir1=East}} }} {{WIint |mile=5.5 |road={{Jct|state=WI|CTH|A|dir1=East}} }} {{WIint |town1=Albany |ctdab1=Green |town2=Magnolia |lspan=2 |mile=6.3 |road={{Jct|state=WI|WI|59|dir1=west|city1=Albany|city2=Monroe}} |type=concur |notes=Southern end of WIS 59 concurrency }} {{WIint |mile=7.5 |road={{Jct|state=WI|WI|59|dir1=east|city1=Evansville}} |type=concur |notes=Northern end of WIS 59 concurrency }} {{WIint |town1=Brooklyn |ctdab1=Green |town2=Union |ctdab2=Rock |lspan=2 |road={{Jct|state=WI|CTH|C|dir1=west}} |type=concur |notes=Southern end of CTH-C concurrency |mile=10.7 }} {{WIint |road={{Jct|state=WI|CTH|C|dir1=east}} |type=concur |notes=Northern end of CTH-C concurrency |mile=10.9 }} {{WIint |county1=Green |county2=Dane |location=Brooklyn |area=village |mile=15.4 |road={{Jct|state=WI|WI|92|name1=Church Street}} }} {{jctbtm|index=concur}}
==See also== *{{portal-inline|U.S. Roads}}
==References== {{reflist}}
==External links== {{Attached KML|display=title,inline}} *{{commons category-inline|Wisconsin Highway 104}}
[[Category:State highways in Wisconsin|104]] [[Category:Transportation in Green County, Wisconsin]] [[Category:Transportation in Rock County, Wisconsin]] [[Category:Transportation in Dane County, Wisconsin]]