Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 3376 more...
- ItemBB033385 - Spokane, Portland and Seattle Railway Engineering Drawing: Reconstruct Bridge 5, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033386 - Spokane, Portland and Seattle Railway Engineering Drawing: General Notes, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033387 - Spokane, Portland and Seattle Railway Engineering Drawing: Falsework Bents and Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033388 - Spokane, Portland and Seattle Railway Engineering Drawing: Panel Brace and Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033389 - Spokane, Portland and Seattle Railway Engineering Drawing: End Post Line Up, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033390 - Spokane, Portland and Seattle Railway Engineering Drawing: Direct of Jacking, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033391 - Spokane, Portland and Seattle Railway Engineering Drawing: Joint L8 and Saddles, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033392 - Spokane, Portland and Seattle Railway Engineering Drawing: Joint L10 Connect, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- ItemBB033393 - Spokane, Portland and Seattle Railway Engineering Drawing: U8 Connection Details, Bridge 5.1 - Willamette River, North of Willbridge, Oregon, undated
- 533 more...