Northern Pacific Engineering Drawing: east Abutment, Bridge 65 - Highway Underpass, south of Ritzville, Washington, Line Segment 046, Milepost 65.86, undated.

Northern Pacific Engineering Drawing: General Plan, Bridge 66 - Highway Department Drawing, south of Ritzville, Washington, Line Segment 046, Milepost 66.17. Sheet 1056 - 41, undated.

Northern Pacific Engineering Drawing: General Plan, Bridge 66, south of Ritzville, Washington, Line Segment 046, Milepost 66.17. Sheet 1056 - 41, 1958.

Northern Pacific Engineering Drawing: Layout, Bridge 65 - Highway Underpass, south of Ritzville, Washington, Line Segment 046, Milepost 65.86. Sheet 1078 - 15, 1938. Note: Steel spans

Northern Pacific Engineering Drawing: Pier Reinforcing, Bridge 71 (127), south of Ritzville, Washington, Line Segment 046, Milepost 71.93. Sheet 442 - 16, undated.

Northern Pacific Engineering Drawing: Pier Top Renewal, Bridge 71 (127), south of Ritzville, Washington, Line Segment 046, Milepost 71.93. Sheet 442 - 16, undated.

Northern Pacific Engineering Drawing: Piers 2/3, Bridge 66, south of Ritzville, Washington, Line Segment 046, Milepost 66.17. Sheet 1056 - 41, undated.

Northern Pacific Engineering Drawing: Plan Pier/Abutments, Bridge 71 (127), south of Ritzville, Washington, Line Segment 046, Milepost 71.93. Sheet 442 - 16, 1900. Note: Steel spans