Oronoco Bridge (Bridge 448)
History & significance
The Oronoco Bridge is an open-spandrel concrete-arch bridge that carries Minnesota Avenue (County Road 18) across the Middle Fork of the Zumbro River located in the city of Oronoco in Olmsted County. It was built in 1918 and is significant for its unusually long main span length.
City of Oronoco (Olmsted County)
Latitude, Longitude: 44.16244944, -92.53484377