From the record
“Old Appleton Bridge is a historic Pratt Truss Iron Bridge located at Old Appleton, Cape Girardeau County and Perry County, Missouri. It was built in 1879, and consists of a wrought iron, pin-connected, Pratt through truss main span, with two pin-connected, three panel Pratt pony-truss approach spans.”
Wikipedia article Old Appleton Bridge, CC BY-SA 4.0.
One of 63 National Register listings published here for Cape Girardeau County · listed in 2009 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service