Burlington Northern Engineering Drawing: Deck Plan, Bridge 61.1 - Stillaguamish River (formerly Northern Pacific), east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, 1984.

Burlington Northern Engineering Drawing: Renew Deck, Bridge 61.1 - Stillaguamish River (formerly Northern Pacific), east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, 1977.

Northern Pacific Engineering Drawing: Detail Alter Top Chord, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.

Northern Pacific Engineering Drawing: Detail New Material/Changes, Bridge 7 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 14.8. Sheet 444 - 23, undated.

Northern Pacific Engineering Drawing: Detail of Floor Beam, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.

Northern Pacific Engineering Drawing: Detail of Portal, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.

Northern Pacific Engineering Drawing: Detail of Reinforcing, Bridge 7 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 14.8. Sheet 444 - 23, undated.