Charles Anderson Memorial Bridge - Credit: Wikimedia Commons
The Charles Anderson Memorial Bridge is a steel deck truss bridge located in Pittsburgh, Pennsylvania, United States. The bridge carries the four-lane roadway of Boulevard of the Allies across a ravine known as Junction Hollow, connecting the neighborhoods of Central Oakland and South Oakland with Schenley Park. The bridge also spans the Junction Hollow Trail and P&W Subdivision railroad tracks which run along the bottom of the valley. Read more on Wikipedia
Source: en.wikipedia.org