80% of the structural steel used to construct the Gateway Arch in St. Louis was fabricated in Warren, Pennsylvania

 

Photo by Retiring Guy (9/23/2025)

Headline:  Erie News Now, 10/24/2024

And the city is celebrating the 60trh universality of Arch Builders Day.

Warren Times Observer "Top Headlines" email, 10/28/2025

View of Warren PA from Washington Park (7/7/2022)