A Guide to Oregon Covered Bridges
- Oregon Department of Transportation offers photographs and brief histories of a selection of the over 50 surviving spans in the state.
- http://www.oregon.gov/ODOT/HWY/BRIDGE/

Oregon's Covered Bridges
- History and county by county guide, with photographs and descriptions. Also an explanation of truss types, with diagrams.
- http://home.comcast.net/~draft10/bridges/bridges.html

The Bridges of Portland, Oregon
- Photos and descriptions of Portland, Oregon's wide variety of river bridges.
- http://www.bizave.com/portland/bridges/

Oregon Covered Bridges - StateofOregon.com
- Oregon can truly trace its history with the exploration of its more than 50 historic covered bridges. Provides information regarding each of these historic landmarks.
- http://coveredbridges.stateoforegon.com/