Wisconsin Highway 33

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State Trunk Highway 33
84th Division "Railsplitters" Memorial Highway
WIS 33 highlighted in red
Route information
Maintained by WisDOT
Length	200.84 mi[1][2] (323.22 km)
Major junctions
West end	US 14 / US 61 in La Crosse
Major intersections	US 12 / WIS 136 in Baraboo I-90 / I-94 in Portage I-39 in Portage US 51 / WIS 16 in Portage US 151 in Beaver Dam I-41 / US 41 in Allenton US 45 in West Bend I-43 / WIS 57 in Saukville
East end	WIS 32 in Port Washington
Location
Country	United States
State	Wisconsin
Counties	La Crosse, Monroe, Vernon, Juneau, Sauk, Columbia, Dodge, Washington, Ozaukee
Highway system
Wisconsin State Trunk Highway System Interstate US State Scenic Rustic
← WIS 32 → WIS 34

State Trunk Highway 33 (often called Highway 33, STH-33 or WIS 33) is a Wisconsin state highway running east–west across central Wisconsin. It is 200.84 miles (323.22 km) in length.

WIS 33 begins 300 feet (91 m) east of the Mississippi River where it intersects U.S. Highway 14 (US 14) and US 61 just south of downtown La Crosse. Traveling east, it intersects with WIS 35. Leaving La Crosse, WIS 33 meanders eastward. It runs concurrently with WIS 162 from Newberg Corners to Middle Ridge. Further east, WIS 33 intersects WIS 27 in Cashton. Then, it briefly runs concurrently with WIS 131 in Ontario, then briefly meanders south through the Wildcat Mountain State Park, and then meanders back east. Even further east, WIS 33 runs concurrently with WIS 82 west of Hillsboro and then WIS 80 in Hillsboro. Both routes branch off together north from WIS 33 in Union Center. In La Valle, WIS 58 briefly runs concurrently with WIS 33. In Reedsburg, WIS 23 begins to travel east via WIS 33. Just east of Reedsburg, WIS 136 intersects and ends at a concurrency. Further east, WIS 23 branches off from WIS 33. Just north of West Baraboo, WIS 33 joins US 12 southward at a dumbbell interchange. In West Baraboo, WIS 33 leaves US 12 at another dumbbell interchange and briefly runs concurrently with WIS 136. As WIS 136 leaves southward at a four-way intersection, Business US 12 joins in from the north. In Baraboo, Bus. US 12 branches off southward where WIS 113 ends.^[2]

As WIS 33 continues eastward, it then meets I-90/I-94 at a parclo north of the Cascade Mountain ski resort. Another parclo is present just east of I-90/I-94. This time, it meets I-39. For a brief distance, WIS 33 turns north. As soon as it crosses the Wisconsin River, it then turns back east. As it enters downtown Portage, it meets US 51 at a one-way pair and WIS 16 at the western part of the one-way pair. North of Pardeeville, WIS 33 meets WIS 22. Further east, it then briefly runs concurrently with WIS 44 in Marcellon. Even further east, it then meets WIS 146 north of Cambria, WIS 73 north of Randolph, and WIS 68 in Fox Lake. As it intersects at an intersection where WIS 68 ends, WIS 33 turns south. In Beaver Dam, WIS 33 turns east, briefly following Business US 151. It then meets US 151 at a diamond interchange. At Minnesota Junction, WIS 33 intersects WIS 26. Continuing east, it intersects WIS 28 in Horicon, WIS 67 north of Neda, WIS 175 in Addison, and I-41/US 41 at a diamond interchange in Allenton. Between Nabob and West Bend, WIS 144 follows WIS 33. While they run concurrently with each other, they meet US 45 at another diamond interchange. In Saukville, WIS 33 meets I-43/WIS 57 at a diamond interchange once again. Continuing east, it ends in downtown Port Washington at WIS 32 one mile (1.6 km) west of Lake Michigan.^[2]

Prior to European settlement, the foot trail from Port Washington to Horicon was the most traveled of seven trails that met in Horicon Marsh.^[3] A road was constructed to provide access from Lake Michigan to the fertile hunting grounds of the marsh, to provide food for the crews of ships on the lake.

Starting in 1918, WIS 33 used to travel from WIS 12 in Baraboo to Camp Douglas via parts of present-day WIS 136, WIS 33, the WIS 80/WIS 82 concurrency, WIS 80 alone, and CTH-H.^[4] In 1919, WIS 33 had undergone changes. As of 1919, it switched its service from Camp Douglas to La Crosse. The portion of the route from Union Center to Camp Douglas became WIS 94. Also, it extended eastward from Baraboo to Waupun via present-day WIS 33 and WIS 68.^[5] In 1929, WIS 33 (which served Waupun) and WIS 68 (which served Port Washington) swapped routes.^[6][1]

County	Location	mi[2]	km	Destinations	Notes
La Crosse	La Crosse	0.0	0.0	US 14 east / US 61 south (3rd Street) – Coon Valley, Madison	Western terminus of WIS 33; one-way road
				US 14 west / US 61 north (4th Street) – La Crescent	One-way road
		0.7	1.1	WIS 35 (West Avenue) – Onalaska, Stoddard
	Newberg Corners	14.6	23.5	WIS 162 south – Coon Valley	Western end of WIS 162 concurrency
	Middle Ridge	17.7	28.5	WIS 162 north / CTH-G south – Bangor	Eastern end of WIS 162 concurrency
Monroe	Cashton	28.1	45.2	WIS 27 – Melvina, Westby
Vernon	Ontario	39.0	62.8	WIS 131 south (Garden Street) – La Farge	Western end of WIS 131 concurrency
		39.1	62.9	WIS 131 north – Wilton	Eastern end of WIS 131 concurrency
	​	52.1	83.8	WIS 82 west – La Farge	Western end of WIS 82 concurrency
	Hillsboro	55.0	88.5	WIS 80 south – Richland Center	Western end of WIS 80 concurrency
Juneau	Union Center	59.6	95.9	WIS 80 north / WIS 82 east – Elroy	Eastern end of WIS 80/WIS 82 concurrency
Sauk	​	70.3	113.1	WIS 58 north – Mauston	Western end of WIS 58 concurrency
	La Valle	71.3	114.7	WIS 58 south – The 400 State Trail	Eastern end of WIS 58 concurrency
	Reedsburg	78.3	126.0	WIS 23 south (Albert Avenue)	Western end of WIS 23 concurrency
	​	81.4	131.0	WIS 136 east – Rock Springs	Western terminus of WIS 136
	​	84.6	136.2	WIS 23 north – Lake Delton, Wisconsin Dells	Eastern end of WIS 23 concurrency
	​	90.2	145.2	US 12 west to Bus. US 12 – Wisconsin Dells, Baraboo–Wisconsin Dells Airport	Western end of US 12 concurrency
	West Baraboo	92.9	149.5	US 12 east / WIS 136 west – Rock Springs, Madison	Eastern end of US 12 concurrency; western end of WIS 136 concurrency
		93.4	150.3	WIS 136 east / Bus. US 12 west / CTH-BD north (Pine Street)	Eastern end of WIS 136 concurrency; western end of Bus. US 12 concurrency
	Baraboo	94.6	152.2	Bus. US 12 east / WIS 113 south (Broadway)	Eastern end of Bus. US 12 concurrency; northern terminus of WIS 113
Columbia	​	107.4	172.8	I-90 / I-94 – Madison, Wisconsin Dells
	Portage	109.3	175.9	I-39 – Merrimac, Stevens Point
		111.3	179.1	US 51 south / WIS 16 (Wisconsin Street)
		111.4	179.3	US 51 north (DeWitt Street)
	​	119.8	192.8	WIS 22 – Montello, Pardeeville
	Marcellon	121.8	196.0	WIS 44 south – Pardeeville	Western end of WIS 44 concurrency
	​	122.8	197.6	WIS 44 north – Ripon	Eastern end of WIS 44 concurrency
	​	130.1	209.4	WIS 146 south / CTH-M north – Cambria	Northern terminus of WIS 146
Columbia–Dodge county line	​	135.2	217.6	WIS 73 – Wautoma, Randolph
Dodge	Fox Lake	140.4	226.0	WIS 68 east	Western terminus of WIS 68
	Beaver Dam	149.4	240.4	Bus. US 151 south (Front Street)	Western end of Bus. US 151 concurrency
		149.5	240.6	Bus. US 151 north (Spring Street)	Eastern end of Bus. US 151 concurrency
		150.5	242.2	US 151 – Madison, Fond du Lac	Interchange
	Minnesota Junction	156.7	252.2	WIS 26 – Juneau, Waupun
	Horicon	160.7	258.6	WIS 28 east (Clason Street) – Mayville
	​	164.9	265.4	WIS 67 – Mayville, Iron Ridge
Washington	Addison	173.7	279.5	WIS 175 – Theresa, Slinger
	Allenton	175.8	282.9	I-41 / US 41 – Milwaukee, Fond du Lac
	Nabob	179.6	289.0	WIS 144 south – Slinger	Western end of WIS 144 concurrency
	West Bend	182.2	293.2	US 45 – Milwaukee, Kewaskum	Interchange
		183.4	295.2	WIS 144 north (Main Street)	Eastern end of WIS 144 concurrency
Ozaukee	Saukville	197.7	318.2	I-43 / WIS 57 – Milwaukee, Sheboygan
	Port Washington	200.0	321.9	WIS 32 / LMCT (Spring Street)	Eastern terminus of WIS 33
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

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• Media related to Wisconsin Highway 33 at Wikimedia Commons