Live Chat I-80 Community Nearby Traffic Johnson Dam (Water dam) 2024-06-13 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnson Dam (Water Dam) Loomis, NE 10.15 Smithfield, NE 11.58 Atlanta, NE 21.94 Interstate highway exits close to Johnson Dam (Water Dam) Exit 248, i80 18.52 Exit 237, i80 25.41 Exit 257, i80 26.37 Interstate highways close to Johnson Dam (Water Dam) i80 map 18.52 i70 map 170.75 i76 map 223.20 State roads close to Johnson Dam (Water Dam) US 183 NE map 19.82 US 283 NE map 21.28 US 34 NE map 21.34