Idaho State Highway 51

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State Highway 51
Maintained by ITD
Length: 92.384 mi[1] (148.678 km)
South end: SR 225 towards Owyhee, NV
North end: I-84 Bus. in Mountain Home
State Highways in Idaho
< SH-50 SH-52 >

State Highway 51 is a 92 mile (148 km) road connecting State Route 225 at the border of Idaho and Nevada with Mountain Home at the junction of U.S. Highway 20 and Interstate 84.

[edit] Route description

SH-51's northern terminus is at the east edge of the city of Mountain Home in Elmore County. The road crosses over the Snake River into Owyhee County and passes the towns of Bruneau, Grasmere, and Riddle in Idaho; it then enters the Duck Valley Indian Reservation. It is the major north-south road in the county.[2] The Idaho portion of the road ends as it crosses into Nevada and becomes State Route 225.

[edit] Elevation

Elevation on the highway ranges from a low of 2461 feet (750 m) at the Snake River crossing to a high of 5400 feet (1646 m) at the Nevada border.

Location Elevation (ft/m) GNIS Feature ID (GNIS search)
Mountain Home 3146 / 959 374044 43°07′23″N, 115°41′32″W
C. J. Strike Dam (Snake River) 2461 / 750 398659 42°56′54″N, 115°58′30″W
Bruneau 2549 / 777 396181 42°52′50″N, 115°47′50″W
Grasmere 5089 / 1551 376052 42°22′36″N, 116°52′57″W
Riddle 5367 / 1636 398043 42°11′13″N, 116°06′37″W
Miller Creek Settlement 5325 / 1623 396897 42°04′54″N, 116°07′41″W
Owyhee, Nevada 5400 / 1646 842663 41°56′52″N, 116°05′55″W

[edit] References

  1. ^ Idaho Transportation Department, Milepoint Log Reports
  2. ^ Conley, Cort (1982). Idaho for the curious: a guide. Cambridge, Idaho: Backeddy Books, p.281. ISBN 0-9603566-3-0.