Twin Bridges, MT -- U.S. town in Montana Population (2000): 400 Housing Units (2000): 216 Land area (2000): 0.953569 sq. miles (2.469733 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.953569 sq. miles (2.469733 sq. km) FIPS code: 75475 Located within: Montana (MT), FIPS 30 Location: 45.544683 N, 112.331579 W ZIP Codes (1990): 59754 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Twin Bridges, MT Twin Bridges