Walnut Street Bridge (Chattanooga)
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Built in 1890, the 2,376 feet (724 m) Walnut Street Bridge was the first to connect Chattanooga, Tennessee's downtown with North Chattanooga. The bridge's main spans are pin-connected Pennsylvania through truss spans. The top chord of these truss spans are configured in five sections, making the spans similar to the Camelback truss design.