 A roadway linking Cornish to the east has existed since at least 1914 . The roadway that serves as the eastern terminus was numbered SR @-@ 1 by 1927 , and the highway officially was designated SR @-@ 61 since at least 1937 . The 53 @-@ foot @-@ long ( 16 @.@ 2 m ) bridge that carries SR @-@ 61 over the Cub River today was constructed in 1952 , while the 182 @-@ foot @-@ long ( 55 @.@ 5 m ) bridge over the Bear River was built in 1961 . The original river <unk> were slightly further south than their current locations . 
