Spanning one mile over the Mississippi River, the Chain of Rocks Bridge connects Madison, Illinois to St. Louis, Missouri via the famed historic Route 66. Used for over three decades, this bridge served as a fascinating landmark for travelers. The bridge was closed to traffic in 1968, but visitors can still stop at either end in either state and marvel at the structure’s beauty.

Have you visited the Chain of Rocks Bridge? Do you have a favorite bridge in Illinois? If so, please let us know in the comments!

For more information on this fascinating bridge, visit the NPS website here.

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