Idaho Highway 51 to Idaho Highway 75

Cascade, 1941, FSA / OWI photo
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--Route-- From Via To Miles History
ID 51 Nevada state line Riddle, Bruneau Mountain Home 92 Since 1938
ID 52 Washington state line Payette, Emmett Horseshoe Bend 54 Since 1938; replaced part of ID 16; orig began Emmett; extended west 1940
ID 52A Letha   Jct ID 52 9 1955-19xx; north side of Black Canyon
ID 53 Washington state line Rathdrum Jct US 95 14 Since 1938
ID 54 Spirit Lake Athol Bayview 16 Since 1955; originally ended Athol, extended east 1967
ID 55 (Jct US 95) Jct I-84 (Marsings, Nampa, Meridian, Boise,) Eagle, Horseshoe Bend, Banks, Cascade, McCall New Meadows 123 (156) Since 1969; replaced ID 72 & ID 15; trucated south end 1981
ID 57 Priest River   Nordman 37 Since 1955
ID 58 Washington state line   Jct US 95 S of Setters 3 Since 1955
ID 60 Washington state line   Jct US 95 S of Plummer 6 Since 1955
ID 61 Geneva   Wyoming state line 1 Since 1955
ID 62 Craigmont (Nezperce) Nezperce (Kamiah) 15 (32) Since 1955Orig ran from Jct ID 7; Replaced by ID 162; replaced part of ID 7 north to Nezperce 1980; extended west over ID 64 to Craigmont in 1989; replaced by ID 162 in ; no longer on original route
ID 64 (Craigmont) Nezperce (Nezperce) Kamiah 16 (32) Since 1963; partially replaced by ID 62 in 1989
ID 66 Washington state line   Jct US 95 N of Viola 1 Since 1955
ID 67 Grand View   Mountain Home 16 Since 1955; Orig began Mountian Home AFB
ID 67 Spur Mountain Home AFB   Jct ID 67 1  
ID 68 Mountain Home Dixie, Corral. Fairfield Jct ID 23 86 1955-1976; partially replaced ID 22; replaced by US 20
ID 69 Kuna (Meridian) Jct I-84 near Meridian (Eagle) 9 (16) Since 1955
ID 70 Olds Ferry   Weiser 12 1955-1980
ID 71 Oregon state line at Brownlee Dam   Cambridge 29 Since 1955
ID 72 New Plymouth   Jct ID 52 2 Since 198x
ID 72 Jct US 95 Marsing Nampa 19 1955-1969; replaced ID 20; replaced by ID 55
ID 73 Jct I-80N   New Plymouth 1 1955-19xx; replaced by US 30
ID 74 Godwin   Twin Falls 8 Since 1955; replaced ID 26
ID 75 Shoshone Bellevue, Hailey, Ketchum, Stanley, Clayton Challis 171 Since 1978; partially replaced US 93
ID 75 Spur       4 From IDT milepost records
ID 75 Kendrick Sun Valley Chilly 45 1955-1975; extended east to Chilly in 1962

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Page first posted Monday, October 30, 2006
Page last updated Tuesday, October 31, 2006
(c) RV Droz