Live Chat I-90 Community Nearby Traffic Oahe Dam (Water dam) 2024-06-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Oahe Dam (Water Dam) Fort Pierre, SD 15.82 Mission Ridge, SD 19.73 Blunt, SD 25.24 Interstate highway exits close to Oahe Dam (Water Dam) Exit 214, i90 57.08 Exit 212, i90 57.13 Exit 208, i90 58.16 Interstate highways close to Oahe Dam (Water Dam) i90 map 57.08 i29 map 261.22 i94 map 268.34 State roads close to Oahe Dam (Water Dam) US 14 SD map 2.36 SD 34 map 7.79 US 83 SD map 9.64