 Additionally, STH 13 was extended westerly from Bayfield first to Port Wing, then into Superior then across the border to Duluth.In the 1920s, the southern end of highway 13 was realigned from Evansville to Beloit along what is now WIS 213 after US 14 was commissioned.Highway 13 was truncated to its present southern terminus in 1961 after I-90 and I-94 were commissioned.