The Adair Viaduct is a monumental reinforced concrete railroad bridge spanning the East Nishnabotna River valley near Adair, Iowa. Constructed between 1912 and 1914, it features a series of large concrete arches, a testament to early 20th-century engineering prowess.
Explore other historic structures across Iowa
Engineering
220th St. Over Unnamed Stream, Corning, Iowa
Engineering
Fuel Hollow Rd. Over Yellow R., Postville, Iowa
Engineering
Mays Prairie Rd. Over Upper Iowa R., Dorchester, Iowa
Engineering
Pearl St. Over Bear Cr., Shellsburg, Iowa
Engineering
Town Street Over Crane Cr., Dunkerton, Iowa
Engineering
210th St. Over Beaver Cr., Ogden, Iowa