Heading east and leaving Babcock, WIS 173 crosses over Hemlock Creek. About east of Babcock, WIS 173 begins a stretch of approximately that runs close to and parallel with a set of Canadian National Railway (CN) tracks. Promptly after beginning this stretch, WIS 173 leaves the Town of Remington and enters the Town of Port Edwards. Running along the north side of the CN tracks, WIS 173 heads east-northeast for about until it reaches its junction with the southern end of CTH-D at a T intersection on the western edge of the unincorporated community of Cranmoor. In central Cranmoor, WIS 173 jogs to the southeast for a level crossing over the CN tracks. After continuing east-northeast along the south side of the CN tracks for roughly , WIS 173 turns to head east again. After about , WIS 173 reaches its junction with CTH-GG, about west of Nekoosa. Approximately after its junction with CTH-GG, WIS 173 reaches its northern junction with CTH-G at a T intersection. Running concurrently southward with CTH-G for about a half-mile (0.8 km), WIS 173 reaches its southern junction with CTH-G at a T intersection on the western border of Nekoosa.
