The North Downs Way crosses the river using the Medway Viaduct or motorway bridge. The Nene Viaduct carries the railway over the river. Large bridges such as the Prince Edward Viaduct were built to span wide river valleys. The total length of the bridge including the north viaduct is . The gardens are spanned by a stone railway viaduct. Other notable buildings include the town hall, a Victorian railway viaduct and Binchester Roman fort. The Erie Railroad maintained a station at the Kinzua Viaduct. The site was next to a redundant section of railway viaduct. The M6 motorway at the Thelwall Viaduct carries 140,000 vehicles every 24 hours. After crossing the Lewis & Clark Viaduct, I-70 enters Missouri. The major element was the replacement of rails on the Queens Boulevard viaduct. The Market continues to trade underneath the arches of the viaduct. There was a siding located west of the viaduct. Trains from the south and west gained access by a new elevated viaduct. The two trains derailed, and four cars fell off the viaduct.