From the record
“The Black River Bridge near Carrizo, Arizona was funded in 1911 and built in 1912. It was listed on the National Register of Historic Places in 1988.”
Wikipedia article Black River Bridge (Carrizo, Arizona), CC BY-SA 4.0.
One of 43 National Register listings published here for Gila County · listed in 1988 · category: Structure · built in 1929.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article