Northern Pacific Engineering Drawing: Girder Bearing Details, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.

Northern Pacific Engineering Drawing: Girder Bearing Details, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.

Northern Pacific Engineering Drawing: Girder Bearing Layout, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.

Northern Pacific Engineering Drawing: Girder Span, Bridge 23.47 - Underpass (I-5), south of Ketron, Washington, Line Segment 052, Milepost 23.9. Sheet 2000 - 3, undated.

Northern Pacific Engineering Drawing: Handrail Details, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.

Northern Pacific Engineering Drawing: Handrail Details, Bridge 23.47 - Underpass (I-5), south of Ketron, Washington, Line Segment 052, Milepost 23.9. Sheet 2000 - 3, undated.

Northern Pacific Engineering Drawing: Layout Map, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.

Northern Pacific Engineering Drawing: Layout, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.

Northern Pacific Engineering Drawing: north Abutment - Details, Bridge 23.1 - Underpass, south of Ketron, Washington, Line Segment 052, Milepost 24.0. Sheet 1070 - 3, undated.