"The main span of this bridge may be the longest pinned truss remaining in Iowa and serves as a well-preserved example of a Pratt truss subtype - the Pennsylvania truss. The bridge is significant for its role in the development of regional transportation in the Lee and Des Moines county area.
"This document was prepared as part of the Iowa Historic Bridges Recording Project performed durng the Summer of 1995 by the Historic American Engineering Record (HAER). The project was sponsored by the Iowa Department of Transportation (IDOT). Preliminary research on this bridge was performed by Clayton B. Fraser of Fraserdesign, Loveland, CO."
Historian: Robert W. Jackson, August 1995