Rainbow Arch Bridge (Valley City, North Dakota)

The Rainbow Arch Bridge, officially named the Main Street Bridge, is a historic bridge located in Valley City, North Dakota. Constructed in 1923-1924, it spans the Sheyenne River and is a prominent example of a Marsh Rainbow Arch bridge design. This type of bridge is characterized by its distinctive curved concrete arch ribs that rise above the bridge deck, resembling a rainbow.

The bridge was designed by James Barney Marsh, a prolific bridge engineer known for patenting the Rainbow Arch design. Its construction was undertaken by the Minneapolis Bridge Company. The bridge is made of reinforced concrete and features decorative elements typical of the early 20th century, adding to its architectural significance.

The Rainbow Arch Bridge served as a vital transportation link for Valley City, connecting the city's main commercial district with residential areas on the opposite side of the river. It played a crucial role in facilitating trade and commerce within the region.

The bridge's historical importance is further recognized by its listing on the National Register of Historic Places. Its inclusion on the Register highlights its engineering significance, architectural merit, and contribution to the historical development of Valley City. The bridge has become a recognizable landmark in Valley City and a symbol of the city's history and identity. Preservation efforts have been undertaken to ensure its continued structural integrity and maintain its historical character for future generations. The bridge continues to be used for vehicular and pedestrian traffic.