Live Chat I-90 Community Nearby Traffic Madison Dam (Water dam) 2024-05-09 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Madison Dam (Water Dam) Ennis, MT 12.79 Norris, MT 18.62 Virginia City, MT 23.17 Interstate highway exits close to Madison Dam (Water Dam) Exit 256, i90 47.71 Exit 267, i90 50.37 Exit 278, i90 52.02 Interstate highways close to Madison Dam (Water Dam) i90 map 47.71 i15 map 73.54 i94 map 265.25 State roads close to Madison Dam (Water Dam) US 287 MT map 3.21 MT 287 map 12.79 MT CR 283 map 23.93