 US 45 enters the south side of Ontonagon on Rockland Road near the Holy Family Cemetery . The roadway turns due north and crosses the ELS rail line , still running parallel to the course of the river . South of downtown , the highway crosses an intersection that serves as the joint termini of M @-@ 38 and M @-@ 64 . M @-@ 64 crosses the river from the west on a bridge built in 2006 and ends at the intersection . M @-@ 38 comes into town from the east and also ends at the same intersection . US 45 continues north on Rockland Road and turns northwest on River Street along the eastern river bank through downtown . The northern terminus of US 45 is at Ontonagon Street , about 1 @,@ 000 feet ( 300 m ) from Lake Superior . 
