Tennessee River Railroad Bridge

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From the south shore looking north to the Tennessee River Railroad Bridge below Chickamauga Lake dam (Nickajack Lake).
From the south shore looking north to the Tennessee River Railroad Bridge below Chickamauga Lake dam (Nickajack Lake).

The Tennessee River Railroad Bridge, also called "Tennbridge", is a vertical-lift railroad bridge over the Tennessee River. It has a main span of 310 feet (94 m), and is one of the longest vertical lift spans in the United States.

The original span was a swing span with a center pivot that was originally built in 1887. It was replaced by a vertical lift span in 1920. It remains a very busy crossing on the Cincinnati, New Orleans and Texas Pacific Railway, a major subsidiary of the Norfolk Southern Railway. The bridge carries two mainline tracks across the river.

The bridge is one of only three known nesting locations in Tennessee for Peregrine Falcon, a Tennessee and Federal Endangered species.