Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 332 - Overhead Highway, north of Rockwell, Washington, Line Segment 047, Milepost 332.0. Sheet SS - 613 - A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 332 - Overhead Highway, north of Rockwell, Washington, Line Segment 047, Milepost 332.0. Sheet SS - 613 - C, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Overhead Highway, Bridge 332 - Overhead Highway, north of Rockwell, Washington, Line Segment 047, Milepost 332.0. Sheet SS - 613 - B, undated.