Great Northern Engineering Drawing: Shop Plan - 40 Foot Beam, Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 201 - 4135 - 42, undated.

Great Northern Engineering Drawing: Shop Plan - 40 Foot Deck Plate Girder (DPG), Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 201 - 4135 - 11, undated.

Great Northern Engineering Drawing: Shop Plan - 41 Foot Deck Plate Girder (DPG), Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 201 - 4135 - 20, undated.

Great Northern Engineering Drawing: Shop Plan - 60 Foot Deck Plate Girder (DPG), Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 277 - 1447 - 110, undated.

Great Northern Engineering Drawing: Shop Plan - 60 Foot Deck Plate Girder (DPG), Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 277 - 1447 - 111, undated.

Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 277 - 1447 - 128, undated.

Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 23, 1961.

Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 31, 1961.

Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 20, 1961.

Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 25, 1961.