From the record
“Windsor Harbor Road Bridge is a historic Pratt through truss bridge located at Kimmswick, Jefferson County, Missouri. It was built in 1874-1875 by the Keystone Bridge Company; the bridge was dismantled and re-erected at its present site in 1930.”
Wikipedia article Windsor Harbor Road Bridge, CC BY-SA 4.0.
One of 10 National Register listings published here for Jefferson County · listed in 1983 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service


