Live Chat I-55 Community Nearby Traffic Dunlap Lake Dam (Water dam) 2024-05-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Dunlap Lake Dam (Water Dam) Glen Carbon, IL 7.25 South Roxana, IL 9.06 Maryville, IL 10.32 Interstate highway exits close to Dunlap Lake Dam (Water Dam) Exit 23, i55 5.82 Exit 12, i270mo 7.06 Exit 9, i270mo 8.34 Interstate highways close to Dunlap Lake Dam (Water Dam) i55 map 5.82 i270mo map 7.06 i70 map 8.61 State roads close to Dunlap Lake Dam (Water Dam) IL 159 map 0.62 IL 157 map 0.80 IL 143 map 1.02