Lowell Covered Bridge
Oregon has the largest collection of covered bridges in the West and one of the largest in the nation.
The covered-bridge-building tradition in Oregon dates from the 1850s. Out of necessity, pioneers built with the materials at hand. Douglas fir was abundant in western Oregon and well-suited to bridge construction. To increase their useful life, houses were constructed over the timber trusses to protect them from the damp western Oregon climate.
According to the above source, there are 50 covered bridges in Oregon. I’ve seen only two so far, unless you count viewing some on google maps street view. I’d like to hit the road and check out some more when I have the time. I have a feeling none of them will be in settings as nice as this one though.