On the 1937 Official Highway Service Map, Highway 87 was redesignated along the "impassible road", now marked as "graded earth" in White County and "gravel or stone surfaced" in Jackson County. On the 1945 state highway map, the Highway 11 designation was assigned to the roadway between Denmark and Bald Knob, with Highway 87 running along its present alignment between Bradford and Denmark as a gravel road.
On the 1937 Official Highway Service Map, Highway 87 was repositioned along the "difficult route", now marked as "improved earth" in White County and "paved or stone surfaced" in Jackson County. The 1945 state highway map then designated Highway 11 for the stretch between Denmark and Bald Knob, with Highway 87 running its current alignment between Bradford and Denmark on a gravel road.