Idaho State Highway 31

State Highway 31
Pine Creek Road
Route information
Maintained by ITD
Length:	21.025 mi (33.836 km)
Major junctions
South end:	US-26 in Swan Valley
North end:	SH-33 in Victor
Location
Counties:	Bonneville, Teton
Highway system
State Highways in Idaho ← SH-29 SH-32 →

Idaho State Highway 31 is a 21.025-mile (33.84 km) north-south state highway in the eastern part of the U.S. state of Idaho. SH-31 runs from U.S. Route 26 in Swan Valley north to Idaho State Highway 33 in Victor. The highway is maintained by the Idaho Transportation Department. It is known as PIne Creek Road within Bonneville County. It is also known West Center Street in "downtown" Victor.

Route description

SH-31 begins at an intersection with U.S. Route 26 in Swan Valley. The highway leaves Swan Valley to the northeast, crossing Rainey Creek and entering a rural part of Bonneville County. The route turns north before heading northwest, then turning north again. After crossing Pine Creek, SH-31 heads northeast and enters Targhee National Forest. The highway enters a mountainous region at this point, passing to the south of Stouts Mountain. SH-31 crosses North Pine Creek before crossing into Teton County. It passes the Pine Creek Campground before leaving Targhee National Forest. The highway enters a rural area and begins a more easterly course. It turns northeast into Victor, then turns east, becoming Center Street. SH-31 terminates at Idaho State Highway 33 in central Victor.

Major intersections

County	Location	mi	km	Destinations	Notes
Bonneville	Swan Valley	0.000	0.000	US-26 – Irwin, Ririe, Idaho Falls	Southern terminus of SH 31
Teton	Victor	21.025	33.836	SH-33 – Driggs, Jackson, WY	Northern terminus of SH 31
1.000 mi = 1.609 km; 1.000 km = 0.621 mi