Spokane, Portland and Seattle Railway Engineering Drawing: Counterweight End Lift Details, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 8 - 3, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cross Frames, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 6 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plan, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge 5.7 - Union Pacific Railroad, north of Willbridge, Oregon, Line Segment 047, Milepost 5.73. Sheet J - 8 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Detail 6 Pile Bent, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet 00 619, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Tie, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet TV - 239A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Tie, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet TV - 239, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Detail of Tie, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet TV - 238, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Details 90 Foot Truss, 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: Details End Bearings, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 1 - 13, undated.