The Chain Lakes Bridge is a historic structure located southeast of Palo, Iowa, United States.

[2] The Linn County Board of Supervisors began planning for this span in the early 1880s.

They appropriated $20,000 for this two-span Pratt through truss[2] The Wrought Iron Bridge Company of Canton, Ohio, which built bridges in the county since 1879, completed this structure in 1884.

[1] While it was built to carry vehicular traffic, it is now in a nature preserve maintained by the Linn County Conservation Board.

This article about a property in Linn County, Iowa on the National Register of Historic Places is a stub.