Walnut Street Bridge Chattanooga, Tennessee Challenge In 1978 the bridge was closed to traffic due to deteriorating conditions, however was reopened in 1993 thanks to a group of preservationists who banded together to save the bridge and help restore a vibrant dynamic to the city of Chattanooga. As a valuable enhancement to both the aesthetics of the bridge and safety of the residents and tourists using it, a decision was made to upgrade the

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