40 Bridges is a series of 40 bridges that span the River Ure and its tributaries in North Yorkshire, England. The bridges are a notable feature of the landscape and have been an important part of the region's history and development. They were built in the 18th and 19th centuries to facilitate the transportation of goods and people across the rivers, and many of them have been restored and maintained to this day. The bridges vary in design and size, ranging from small, rustic bridges to larger, more ornate structures. They are a popular tourist attraction, offering scenic views of the surrounding countryside and opportunities for walking, cycling, and other outdoor activities.