From the record
“The County Line Bridge spanning the Niobrara River about 17.5 miles (28.2 km) east of Valentine, Nebraska was listed on the National Register of Historic Places in 2018.”
Wikipedia article County Line Bridge (Cherry County, Nebraska), CC BY-SA 4.0.
One of 12 National Register listings published here for Cherry County · listed in 2018 · category: Structure · built in 1916.
Sources: the Wikipedia article · the National Register database, National Park Service · the Wikipedia article

