Jessie Canute on Instagram: "The Harrisburg Covered Bridge, Tennessee’s Oldest Covered Bridge The Harrisburg Covered Bridge built in 1875, has been standing tall for 148 years as of this writing. The bridge was constructed during a time when covered bridges were essential for protecting the wooden structures from the elements. At 83 feet long, the Harrisburg Covered Bridge allowed for safe passage across the Little Pigeon River, serving the local farming community and those traveling between Har