Northern Pacific Engineering Drawing: General Plan and Falsework, Bridge 38 - Willapa River, west of Labam, Washington, Line Segment 420, Milepost 38.82. Sheet 1076 - 1, 1927. Note: Steel span

Northern Pacific Engineering Drawing: General Plan and Elevation, Bridge 87 - Highway 20, Sedro - Woolley, Washington, Line Segment 403, Milepost 87.05. Sheet 1233 - 16, 1953. Note: Steel span

Northern Pacific Engineering Drawing: General Plan and Elevation, Bridge 36 - Chico Creek, north of Naval Ammunition Depot Junction, Washington, Line Segment 426, Milepost 36.35. Sheet 1261 - 4, 1960. Note: Steel span

Northern Pacific Engineering Drawing: General Plan 70 Foot Lift Bridge, Bridge 9 - Des Chutes River, west of Olympia, Washington, Line Segment 402, Milepost 10.0. Sheet 1072 - 16, 1927. Note: Lift bridge

Northern Pacific Engineering Drawing: General Plan 4 Post Bridge, Bridge 0.10 - Cedar Street, Spokane, Washington, Line Segment 046, Milepost 0.81. Sheet 1055 - 10, undated.

Northern Pacific Engineering Drawing: General Plan - Through Girder, Bridge 70 - Harrison Avenue, Butte, Montana, Line Segment 326, Milepost 70.7. Sheet 1074 - 14, 1929. Note: Steel and AFE concrete highway

Northern Pacific Engineering Drawing: General Plan - Sprague/Division, Bridge 71 - Division Street, Spokane, Washington, Line Segment 045, Milepost 71.27. Sheet 1054 - 6, undated.

Northern Pacific Engineering Drawing: General Plan - Pier Details, Bridge 2.1 - Wildcat Creek, north of Elma, Washington, Line Segment 425, Milepost 2.34. Sheet 1264 - 34, 1936. Note: Steel span and AFE trestle

Northern Pacific Engineering Drawing: General Plan - Howard Street, Bridge 0.2 - Howard Street, Spokane, Washington, Line Segment 046, Milepost 0.28. Sheet 1054 - 8, 1915. Note: Grade separation