Live Chat I-55 Community Nearby Traffic Williamson Dam (Water dam) 2024-05-13 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Williamson Dam (Water Dam) Staunton, IL 5.46 New Douglas, IL 6.85 Worden, IL 8.30 Interstate highway exits close to Williamson Dam (Water Dam) Exit 37, i55 0.66 Exit 33, i55 5.30 Exit 41, i55 6.05 Interstate highways close to Williamson Dam (Water Dam) i55 map 0.66 i70 map 20.78 i270mo map 27.06 State roads close to Williamson Dam (Water Dam) HISTORIC US 66 IL map 2.68 IL 4 map 5.11 IL 140 map 8.79