Live Chat I-25 Community Nearby Traffic Nicholaysen Dam (Water dam) 2024-04-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Nicholaysen Dam (Water Dam) Casper, WY 9.40 Mills, WY 17.33 Glenrock, WY 20.62 Interstate highway exits close to Nicholaysen Dam (Water Dam) Exit 182, i25 5.05 Exit 185, i25 9.51 Exit 186, i25 11.16 Interstate highways close to Nicholaysen Dam (Water Dam) i25 map 5.05 i80 map 125.37 i90 map 151.65 State roads close to Nicholaysen Dam (Water Dam) US 20 WY map 2.74 WY 253 map 4.47 WY 256 map 5.28