From the record
“The North Loup Bridge brings a county road over the North Loup River, about 1.5 miles northeast of the village of North Loup in Valley County, Nebraska. It was built in 1912-1913 by Empire Bridge Company of Omaha, Nebraska, at cost of $13,089, using steel parts fabricated by Cambria Steel Company and Lackawanna Steel Company.”
Wikipedia article North Loup Bridge, CC BY-SA 4.0.
One of 6 National Register listings published here for Valley County · listed in 1992 · category: Structure · built in 1913.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service