From the record
“The Hogback Covered Bridge is a historic covered bridge near Winterset, Iowa. Named after a nearby limestone ridge, it was built in 1884 by Harvey P.”
Wikipedia article Hogback Covered Bridge, CC BY-SA 4.0.
One of 55 National Register listings published here for Madison County · listed in 1976 · category: Structure · built in 1884.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

