Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Soundings, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet N5 - 10, 1932. Note: Steel span and AFE truss
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Masonry, Bridge A27.4 (159) - Milton Creek, west of Saint Helens, Oregon, Line Segment 440, Milepost 22.40. Sheet, 1899. Note: Steel span
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Frame Detail, Bridge 59.9 - American Legion Park Road, Home Valley, Washington, Line Segment 047, Milepost 59.9. Sheet NO - 298, 1951. Note: Timber bridge
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge E26.2 - Beaverton Creek, west of Saint Helens, Oregon, Line Segment 442, Milepost 26.55. Sheet 387 - 8422, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge E26.2 - Beaverton Creek - General Span, west of Saint Helens, Oregon, Line Segment 442, Milepost 26.21. Sheet 387 - 8389, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge 133.7 - Rock Creek, east of Cliffs, Washington, Line Segment 047, Milepost 133.66. Sheet 1 - 0 - 15/130, 1962. Note: Concrete box girder (relocation)
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge 10.92 - Apple Tree Road, Vancouver, Washington, Line Segment 047, Milepost 10.92. Sheet 377 - 8276 - 1, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Elevation, Bridge 10.8 - 26th Street, Vancouver, Washington, Line Segment 047, Milepost 10.78. Sheet 362 - 8103, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Plan and Details, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80. Sheet NO - 209, undated.