Idaho State Highway 52

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State Highway 52 marker

State Highway 52
Route information
Maintained by ITD
Length: 54.126 mi[1] (87.107 km)
Existed: 1938 – present
Major junctions
West end: OR 52 at the Snake River/Oregon state line near Payette
  US 95 in Payette
East end: SH 55 in Horseshoe Bend
Counties: Payette, Gem, Boise
Highway system

State Highway 52 is a state highway in the U.S. state of Idaho that travels along the Payette River from the Oregon State Line and Snake River to Horseshoe Bend.

Route description[edit]

State Highway 52 begins at the Oregon/Idaho state line at the terminus of Oregon Route 52 where the highway crosses the Snake River near Payette. The highway heads eastward through the city of Payette, then following the Payette River. The highway meets SH-72 at its junction east of New Plymouth. Then heads eastward to the city of Emmett where it turns north at its junction with SH-16 then continuing east up Black Canyon to its terminus at Horseshoe Bend.[2]


This route has been in existence since 1929, originally as part of State Highway 16, which originally terminated in Horseshoe Bend. State Highway 52 was created in 1938, when the northern section of SH-16 from Emmett to Horseshoe Bend was rerouted westward to New Plymouth. SH-16 was eventually truncated at Emmett in 1955, and SH-52 was then extended westward along the former SH-16 heading toward New Plymouth, and ending up in Payette and the state line.[3][4]

Major intersections[edit]

County Location mi[5] km Destinations Notes
Malheur 0.00 0.00 OR 52 north Western terminus; Continuation into Oregon
Snake River Oregon/Idaho state line Snake River
Payette Payette 1.664 2.678
US 95 Spur south – Fruitland
2.327 3.745 US 95 – Weiser, Fruitland
14.419 23.205 SH 72 west – New Plymouth
Gem Emmett 30.422 48.959 SH 16 south – Eagle
Boise Horseshoe Bend 54.126 87.107 SH 55 – Eagle, McCall Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map: Bing / Google

KML is from Wikidata
  1. ^ Idaho Transportation Department, Idaho milepoint log
  2. ^ ITD (December 2006). "State Highway 52 Milepoint Log". Retrieved 2008-05-14. 
  3. ^ RV Droz (October 2006). "Idaho Highway 51 to Idaho Highway 75". Retrieved 2008-05-14. 
  4. ^ RV Droz (October 2006). "Idaho Highway 1 to Idaho Highway 25". Retrieved 2008-05-14. 
  5. ^ Idaho Transportation Department, State Highway 52 Milepoint Log