Utah State Route 23

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State Route 23 marker

State Route 23
Route information
Defined by Utah Code §72-4-108
Maintained by UDOT
Length: 29.890 mi[1] (48.103 km)
Existed: 1953 – present
Major junctions
South end: US-89 / US-91 in Wellsville
  SR-30 near Mendon
SR-142 in Newton
North end: CR D1 towards Weston, ID
Highway system
  • State highways in Utah
SR-22 SR-24

State Route 23 (SR-23) is a state highway in northern Utah, running for 29.890 miles (48.103 km) in Cache County from Wellsville to the Idaho state line near Cornish.

Route description[edit]

SR-23 begins in Wellsville at an intersection with US-89/US-91 in southern Wellsville and heads north through the town. It turns northwest parallel to the Wellsville Mountains to Mendon. It turns north through Mendon and Petersboro. It turns northwest between Cache Butte and the Cutler Reservoir into Cache Junction.[1]

SR-23 then turns north through Cache Junction across the Bear River into Newton. It turns east through the center of Newton, then turns north around Little Mountain through Trenton, Morton, and Cornish to the state line. It continues as County Road D1 in Franklin County, Idaho.


The state legislature created SR-142 in 1933, connecting SR-69 (now SR-30) at Petersboro with Newton and Smithfield.[2] SR-142 was moved to the present route to Clarkston in 1941, with the old alignment through downtown Newton to Smithfield becoming SR-218.[3] State Route 164 was also defined in 1933, running south from Petersboro to US-91 in Wellsville.[4] Two years later, State Route 192 was created, running north from SR-142 (now SR-218) east of Newton to SR-61 in Cornish.[5] That part of SR-61 had been added in 1931, heading both east to Cove and north to Idaho.[6] In 1953, SR-164 and SR-192 were combined with SR-142 south of Newton, SR-218 through Newton, and SR-61 north of Cornish to create State Route 23.[7]

Major intersections[edit]

County Location mi[1] km Destinations Notes
Cache Wellsville 0.000 0.000 US-89 / US-91 – Brigham City, Logan Southern terminus
1.564 2.517 SR-101 (Main Street)
Petersboro 10.066 16.200 SR-30 – Riverside, Logan
Newton 18.087 29.108 SR-142 east (Main Street) – Clarkston
19.225 30.940 SR-218 east – Smithfield
Trenton 24.293 39.096 SR-142 – Richmond
Cornish 28.290 45.528 SR-61 east – Lewiston
29.890 48.103 CR D1 north – Weston Northern terminus
Idaho state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c UDOT Highway Reference, SR-23
  2. ^ Utah State Legislature (1933). Chapter 30. Session Laws of Utah. (142) From route 69 at Peterboro north to Newton thence easterly to Smithfield. 
  3. ^ Utah State Legislature (1941). Chapter 34. Session Laws of Utah. Route 142. From route 69 at Peterboro north via Newton and Clarkston to the Clarkston cemetery." "Route 218. From route 142 in Newton easterly to route 1 in Smithfield. 
  4. ^ Utah State Legislature (1933). Chapter 30. Session Laws of Utah. (164) From Wellsville northerly by way of Mendon to junction with route 69 near Petersboro. 
  5. ^ Utah State Legislature (1935). Chapter 37: Designation of State Roads. Session Laws of Utah. Route 192. From Cornish on route 61 southerly to junction with route 142 near Newton. 
  6. ^ Utah State Legislature (1931). Chapter 55: Designation of State Roads. Session Laws of Utah. (61) From route 1 at Webster Spur westerly via Lewiston and Cornish and northerly to Idaho State line. 
  7. ^ Utah Department of Transportation, State Route History, accessed July 2007

External links[edit]

Route map: Google

KML is not from Wikidata

Media related to Utah State Route 23 at Wikimedia Commons