ECS Bridge over Big Goose Creek - Credit: Wikimedia Commons
The ECS Bridge over Big Goose Creek was a bridge near Sheridan, Wyoming, that was built in 1914. It was a Pratt pony truss bridge built by the Canton Bridge Company of Canton, Ohio. The Canton Bridge Company built four steel bridges in Wyoming in 1914; when nominated to the National Register of Historic Places in 1982, the ECS Bridge was the only one of these surviving in its original location. It was long and wide. Read more on Wikipedia
Source: en.wikipedia.org