South Dakota: Chamberlain Rail Bridge - A bridge was first built here way back in the 1920s, but the current striking structure is the result of a major update in 1953, which saw an extra span added. The bridge links the South Dakota towns of Chamberlain and Oacoma, and was once a vital route for farmers transporting wheat and other produce. Have you ever visited this bridge?

Tennessee: Walnut Street Bridge - This bridge in Chattanooga has a poignant history. Two Black men were mobbed and lynched (in unrelated incidents some 13 years apart) for purported violence against a white woman. The structure serves as a reminder of these abhorrent incidents of racial violence, and has earned a spot on the National Register of Historic Places. Have you ever visited this bridge?

Texas: Margaret Hunt Hill Bridge - A modern masterpiece in downtown Dallas, this bridge was completed in 2011 by Spanish architect Santiago Calatrava. The structure has transformed the city's skyline: a soaring central arch reaches 400 feet (122m), with cables splaying artfully from it. Have you ever visited this bridge?

Utah: Hite Crossing Bridge - Utah is best-known for its natural bridges but this man-made landmark gives them a run for their money. Spanning the Colorado River, the Hite Crossing Bridge, a graceful bow of steel along the scenic Route 95, was dedicated in 1966. It is named after Hite, a remote region close to Lake Powell. Have you ever visited this bridge?

Vermont: Silk Covered Bridge - Vermont is another New England state famous for its covered bridges. This one has been straddling the Walloomsac River since the 1840s, spreading across 88 feet (27m) with intricate latticed detailing in its interior. In fall, its orange-red expanse blends beautifully with the surrounding foliage. Have you ever visited this bridge?