Idaho State Highway 31

State Highway 31
Pine Creek Road
SH-31 highlighted in red
Route information
Maintained by ITD
Length21.025 mi (33.836 km)
Major junctions
South end US 26 in Swan Valley
North end SH-33 in Victor
Location
CountryUnited States
StateIdaho
CountiesBonneville, Teton
Highway system
  • Idaho State Highway System
SH-29 SH-32

State Highway 31 (SH-31) is a 21.025-mile-long (33.836 km) north-south state highway in the eastern part of the U.S. state of Idaho. SH-31 runs from U.S. Route 26 (US-26) in Swan Valley north to SH-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.