The bridge consists of seven fixed steel truss spans 1,050 feet (320 m) long in total, including a vertically lifting span 140 feet (43 m) long.
Nothing Worthy of Note Transpired Today (archive.org) The transcribed journals of Civil War General August Valentine Kautz that detail his daily life and activities during his post at Fort Steilacoom in 1850.
https://archive.org/details/nothing-worthy-of-note-transpired-today-the-northwest-journals-of-august-v.-kautz/page/n5/mode/2up