 The county @-@ designated highway system was created around October 5 , 1970 , when the state approved the system . The H @-@ 13 designation debuted in 1972 between Nahma Junction and H @-@ 58 ; H @-@ 13 turned east and ran concurrently with H @-@ 58 before turning north on Miners Castle Road . The northernmost segment was paved in 1987 , completing the paving along the entire route . The H @-@ 58 concurrency was removed in 2004 when the northern segment of H @-@ 13 along Miners Castle Road was redesignated H @-@ 11 . 
