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

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

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