From the record
“The Keel Creek Bridge is a bridge on Oklahoma State Highway 31 seven miles northeast of Coalgate, Oklahoma. The bridge is listed on the National Register of Historic Places.”
Wikipedia article Keel Creek Bridge, CC BY-SA 4.0.
One of 5 National Register listings published here for Coal County · listed in 2007 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service