Live Chat I-55 Community Nearby Traffic Mastodon State Historic Site (Tourist attraction) 2024-05-09 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Mastodon State Historic Site (Tourist Attraction) Liguori, MO 4.84 Arnold, MO 4.94 Barnhart, MO 5.59 Interstate highway exits close to Mastodon State Historic Site (Tourist Attraction) Exit 186, i55 2.49 Exit 190, i55 3.64 Exit 185, i55 4.15 Interstate highways close to Mastodon State Historic Site (Tourist Attraction) i55 map 2.49 i255il map 14.31 i270mo map 14.32 State roads close to Mastodon State Historic Site (Tourist Attraction) US 67 MO map 2.54 MO 231 map 3.18 MO 141 map 6.14