 N @-@ 88 was unofficially designated around 1937 , connecting from N @-@ 29 , to N @-@ 86 and N @-@ 19 in Bridgeport . The route remained relatively the same as the state highway system was officially designated . Before 1955 , Nebraska did not have an adequate legal instrument to define the state highway system . By 1960 , N @-@ 19 was renumbered to US 385 , and US 26 was rerouted north near Bridgeport . The old alignment became part of N @-@ 92 . Two years later , N @-@ 29 was renumbered to N @-@ 71 . Between 1981 @-@ 82 , a road appeared on the official state map , extending from WYO 151 to N @-@ 71 . That road became part of N @-@ 88 by 1986 . No significant changes have been made since . 
 N @-@ 88 was unofficially designated around 1937 , connecting from N @-@ 29 , to N @-@ 86 and N @-@ 19 in Bridgeport . The route<a href='been_done' title='1'><mark></mark></a> remained relatively the same as the state highway system was officially designated . Before 1955 , Nebraska did not have an adequate legal instrument to define the state highway system . By 1960 , N @-@ 19 was renumbered to US 385 , and US 26 was rerouted north near Bridgeport . The old alignment became part of N @-@ 92 . Two years later , N @-@ 29 was renumbered to N @-@ 71 . Between 1981 @-@ 82 , a road appeared on the official state map , extending from WYO 151 to N @-@ 71 . That road became part of N @-@ 88 by 1986 . No significant changes <a href='been_done' title='2'><mark>have</mark></a> been made since . 
N @-@ 88 was unofficially designated around 1937 , connecting from N @-@ 29 , to N @-@ 86 and N @-@ 19 in Bridgeport . da route done remained relatively the same as the state highway system was officially designated . Before 1955 , Nebraska did not have an adequate legal instrument to define the state highway system . By 1960 , N @-@ 19 was renumbered to US 385 , and US 26 was rerouted north near Bridgeport . The old alignment became part of N @-@ 92 . Two years later , N @-@ 29 was renumbered to N @-@ 71 . Between 1981 @-@ 82 , a road appeared on tdaofficial state map , extending from WYO 151 to N @-@ 71 . dat road became part of N @-@ 88 by 1986 . No significant changes done been made since .