The St. Louis Arch
Genius Hour
The St. Louis Arch Facts
The St. Louis is 630 feet tall and the width of the base is 630 feet long.It weighs 43,000 tons and it was built Feb. 12 1963 - Oct. 28 1965 there was 1,076 steps.
The History of the St. Louis Arch
It was started on February 12 1963 and finished on October 28 1965