It had small seats, little parking, and was generally in poor condition. When this steel and concrete ballpark was constructed, it was state-of-the-art, but by the 1950s, it was beginning to age. The Pirates moved into Forbes Field in the Oakland area in June 1909. Before the construction of Three Rivers Stadium This is the place where one can find many exciting locations, such as the Southern Tier Brewery Pittsburgh, Rivers Casino, North Shore Riverfront Park, and the historical plaque of Three Rivers Stadium. As the Pirates had previously played at Exposition Park from 1890 to 1909, it was the second stadium to be situated across the river from downtown Pittsburgh. Three Rivers Stadium, the old home of the Pirates and Steelers, was located along the Allegheny River's banks for thirty years.