From the record
“The Short Bridge spans the South Santiam River 12 miles (19 km) east of Sweet Home, Oregon, near the community of Cascadia. The 105-foot (32 m) Howe truss type bridge was built in 1945.”
Wikipedia article Short Bridge, CC BY-SA 4.0.
One of 73 National Register listings published here for Linn County · listed in 1979 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service