From the record
“The Des Moines River Bridge in Humboldt, Iowa was a plate girder bridge built in 1939 located in Humboldt County, Iowa. It carried Iowa Highway 3 over the West Fork of the Des Moines River for 403.2 feet (122.9 m).”
Wikipedia article Des Moines River Bridge (Humboldt, Iowa), CC BY-SA 4.0.
One of 7 National Register listings published here for Humboldt County · listed in 1998 · category: Structure.
Sources: the Wikipedia article · the National Register database, National Park Service · the Wikipedia article




