Montana Highway 55
MT 55 highlighted in red | ||||
| Route information | ||||
| Maintained by MDT | ||||
| Length | 12.996 mi (20.915 km) | |||
| Major junctions | ||||
| South end | MT 41 north of Silver Star | |||
| North end | I-90 at Whitehall | |||
| Location | ||||
| Country | United States | |||
| State | Montana | |||
| Counties | Madison, Silver Bow, Jefferson | |||
| Highway system | ||||
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Highway 55 (MT 55) in the U.S. State of Montana is a route running in a northerly direction from an intersection with MT 41 about 4 miles (6.4 km) north of the small town of Silver Star. The highway extends approximately 13 miles (21 km) to an interchange with Interstate 90 (I-90) at the north edge of the town of Whitehall. The route traverses largely agricultural land in the Jefferson River valley.