Live Chat I-80 Community Nearby Traffic Saint Marys Lake Dam (Water dam) 2024-06-09 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Saint Marys Lake Dam (Water Dam) Mundelein, IL 5.80 Vernon Hills, IL 6.92 Lake Bluff, IL 7.31 Interstate highway exits close to Saint Marys Lake Dam (Water Dam) Exit , i294il 16.16 Exit 1b, i94 20.65 Exit 29, i94 20.79 Interstate highways close to Saint Marys Lake Dam (Water Dam) i94 map 3.47 i294il map 16.16 i90 map 26.72 State roads close to Saint Marys Lake Dam (Water Dam) IL 21 map 0.27 IL 176 map 0.89 IL 137 map 1.66