From the record
“The Storm Creek Bridge is located northeast of Carroll, Iowa, United States. The 64-foot (20 m) span carries traffic on Phoenix Avenue over Storm Creek.”
Wikipedia article Storm Creek Bridge, CC BY-SA 4.0.
One of 20 National Register listings published here for Carroll County · listed in 1998 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
