Starting at US 14/WIS 11 west of Delevan, WIS 89 traveled northward.

At this point, the route largely parallels the WIS 26 freeway before meeting US 18 west of Jefferson.

At this point, WIS 89 travels largely in a north-northwest direction.

In Lake Mills, it meets I-94 at a four-ramp parclo.

Only WIS 107 was removed in favor of WIS 89 south of Waterloo and turning the section north of Waterloo to local control.

[4][5] In 1933, US 14 was extended east from Winona, Minnesota to Chicago, Illinois.