From the record
“Route 77 near the town of Rock in Cowley County, Kansas, was listed on the National Register of Historic Places in 1985. It is located about 1.5 miles (2.4 km) north and 1.75 miles (2.82 km) west of Rock.”
Wikipedia article Bucher Bridge, CC BY-SA 4.0.
One of 26 National Register listings published here for Cowley County · listed in 1985 · category: Structure · built in 1905.
Sources: the Wikipedia article · the National Register database, National Park Service