From the record
“The Black Squirrel Creek Bridge carries U.S. 24 over Black Squirrel Creek in El Paso County, Colorado. Prior to 2012, it was locally known as the "green bridge" or "old green bridge" - a historic single-span, Parker through truss bridge that was completed in 1935 and listed on the National Register of Historic Places in 2002.”
Wikipedia article Black Squirrel Creek Bridge, CC BY-SA 4.0.
One of 98 National Register listings published here for El Paso County · listed in 2002 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service