Great Northern Engineering Drawing: Deck Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 477, 1958.

Great Northern Engineering Drawing: Deck Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 478, 1959.

Great Northern Engineering Drawing: Deck Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 397, undated.

Great Northern Engineering Drawing: Deck Plan, Bridge 5 - 61st Street, east of Ballard, Washington, Line Segment 050, Milepost 6.8. Sheet 273 - 4627 - 20, 1956.

Great Northern Engineering Drawing: Design of Girders and Tower, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 8, undated.

Great Northern Engineering Drawing: Design of Steel, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 5, undated.

Great Northern Engineering Drawing: Design of Steel, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 7, undated.

Great Northern Engineering Drawing: Design of Trusses, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 9, undated.

Great Northern Engineering Drawing: Design of Trusses, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 10, undated.