Crossword clues for the word: GATEWAYARCH The word GATEWAYARCH has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for GATEWAYARCH Showing 1 to 10 of 10 results Clue(s) "Monument in Middle America, and a hint to the placement of this puzzle's theme" 630-foot-tall stainless steel catenary Missouri structure that is 630 feet tall Monument on the Mississippi River in St. Louis that appears on the collectible quarter of the 43-Across (2 wds.) Saint Louis landmark St. Louis landmark St. Louis landmark designed by Eero Saarinen in 1963 (2 wds.) St. Louis landmark that can be seen from 30 miles away: 2 wds. St. Louis landmark that was made to honor western expansion: 2 wds. Tall, curved attraction along 114-Across