Season 8 Episodes40
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Lloyd Sherr
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Ranked #9 of 30 in Season 8•+0.5 vs season avg
It is a majestic structure that rises boldly over the Mississippi river–40,000 tons of steel and concrete that create the biggest arch of its kind in the world. Nothing like it had ever been built before, nor attempted since. We’ll see how its simple and

Lloyd Sherr
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"The St. Louis Arch" is episode 40 of Modern Marvels season 8. It scored 8.2/10 from 19 votes, ranking #9 of 30 episodes this season (season average 7.7). It aired on December 4, 2001.