- A Guide to Oregon Covered Bridges
- Responsible for the design standards, load capacity evaluation, inspection and asset management for all state highway structures.
- AIA Southwestern Oregon
- Provides member portfolios, awards, links, articles, member section and site map.
- The Bridges of Portland, Oregon
- Shows the bridges in Portland, Oregon, with photo album, books, maps and other websites.
- Historic Preservation League of Oregon
- Non-profit organization dedicated to protecting and preserving Oregon's heritage.
- Oregon Covered Bridges - StateofOregon.com
- Brief histories of a selection of the surviving spans in the state. With directory, photos, contact information and location.
- University of Oregon Architecture Department
- Details about the study of architecture, art, planning and design. With faculty profiles, gallery and resources.
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