Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girder and Frames, Bridge 5.8 - Willamette Boulevard, north of Willbridge, Oregon, Line Segment 047, Milepost 5.80. Sheet AA - 502, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Frame and Lateral Detail, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 26, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 16, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beams, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 23, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 23, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Equalizer Gear, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 231 - 7065 - 26, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Post, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 4, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Post, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 7 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - End Lift, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Drum Support, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 15, undated.