Interstate Bridge

1. Smith, Dwight A. / Norman, James B. / Dykman, Pieter T. (1989): Historic Highway Bridges of Oregon. 2^nd edition, Oregon Historical Society, Portland (USA), pp. 209.
2. Holstine, Craig / Hobbs, Richard: Spanning Washington. Historic Highway Bridges of the Evergreen State. Washington State University Press, Pullman (USA), pp. 103-104.