Live Chat I-15 Community Nearby Traffic Black Out Dam (Water dam) 2024-05-17 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Black Out Dam (Water Dam) Dutton, MT 17.88 Conrad, MT 28.08 Ledger, MT 38.17 Interstate highway exits close to Black Out Dam (Water Dam) Exit 321, i15 10.92 Exit 328, i15 12.04 Exit 335, i15 20.32 Interstate highways close to Black Out Dam (Water Dam) i15 map 10.92 i90 map 186.84 i94 map 349.81 State roads close to Black Out Dam (Water Dam) MT CR 218 map 15.41 MT S 221 map 21.14 MT CR 417 map 25.09