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. It measures wide and the span is .
It was listed on the National Register of Historic Places in 1983.
A sign outside the bridge states: <blockquote>
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