List of bridges on the National Register of Historic Places in Oregon

This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Oregon. It includes a number of viaducts which are considered bridges. A list of bridges, tunnels, and viaducts of the Historic Columbia River Highway is included.

Gray shading indicates that a structure has been removed from the Register. Often the road listed in the "location" column now parallels the bridge on a new one, and the old bridge is closed to traffic.

Historic Columbia River Highway bridges and tunnels
These are contributing structures in the Historic Columbia River Highway, which was listed on the National Register of Historic Places in 1983, and was further designated a National Historic Landmark District in 2000.