Idaho State Highway 55
SH-55 highlighted in red | ||||
| Route information | ||||
| Maintained by ITD | ||||
| Length | 148.701 mi (239.311 km) | |||
| Existed | 1967–present | |||
| Tourist routes | Payette River Scenic Byway | |||
| Major junctions | ||||
| South end | US 95 west of Marsing | |||
| I-84 / US 30 from Nampa to Meridian US 20 / US 26 in Eagle | ||||
| North end | US 95 in New Meadows | |||
| Location | ||||
| Country | United States | |||
| State | Idaho | |||
| Counties | Owyhee, Canyon, Ada, Boise, Valley, Adams | |||
| Highway system | ||||
| ||||
| ||||
State Highway 55 (SH-55) is an Idaho highway from Marsing to New Meadows, connecting with US-95 at both ends.
From Marsing it travels east to Nampa, Meridian, and Eagle, then north to Horseshoe Bend. SH-55 then climbs the Payette River to Banks, then its north fork to the Long Valley, through the towns of Cascade and McCall. After descending a narrow canyon to Meadows, SH-55 terminates in New Meadows at the junction with US-95.