Live Chat I-70 Community Nearby Traffic Callahan Creek Watershed Dam A 1 (Water dam) 2024-06-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Callahan Creek Watershed Dam A-1 (Water Dam) Columbia, MO 13.97 Rocheport, MO 15.30 Sturgeon, MO 16.53 Interstate highway exits close to Callahan Creek Watershed Dam A-1 (Water Dam) Exit 117, i70 18.45 Exit 121, i70 18.55 Exit 115, i70 19.99 Interstate highways close to Callahan Creek Watershed Dam A-1 (Water Dam) i70 map 18.45 i72 map 112.02 i44 map 140.38 State roads close to Callahan Creek Watershed Dam A-1 (Water Dam) MO 124 map 0.34 US 63 MO map 11.02 MO 240 map 16.44