The bridge was built in 1945 and is one of the few concrete bridges built during that period. Labor and materials were scarce during World War II, and its construction is a testament to the importance of this bridge, which provided access to vital timber reserves for the war effort. At 308 feet in length, it features a 199-foot open spandrel rib-type reinforced concrete deck arch.

Mile: 40

When a post office was established in 1906 a list of proposed names was given to postal authorities. This short name was chosen from the list. The community became well known during the eruption of Mount Saint Helens in 1980 as a point from which many news stories were filed by reporters.

Mile: 37

A starting point for trips eastward into the Lewis River area. The Lewis River Ranger Station was established sometime before 1910 near the homestead of Ole Peterson, about three miles east of the community of Cougar. Peterson was a trapper and fur trader, probably working for the Hudson’s Bay Company, who set up his homestead in the early 1890s at Cougar Flats on the Upper Lewis River. The Lewis River...

Mile: 40

Created by the volcanic forces that once rent that section. The largest of the caves extend about one mile under the mountain to an opening on another face. The caves contain no stalactites or stalagmites, as the formation is lava, not limestone. Flashlights or lanterns should be used when entering them, and tourists should be accompanied by someone familiar with the caves. Sturdy, thick-soled shoes and other suitable clothing should...