It then travels north for 6 miles to Griswold, where it intersects Iowa 92. Iowa 48 continues north for , again crossing the East Nishnabotna, until its northern end at U.S. Highway 6 west of Lewis.
It subsequently travels north for 6 miles to Griswold, where it meets Iowa 92. Iowa 48 continues north again, crossing the East Nishnabotna, until its northern terminus at U.S. Highway 6 west of Lewis.