The road crosses Twin Creek over a concrete bridge, near the point where the creek flows into the White River. The original concrete bridge is still intact although it is hidden behind modern guardrails, which have been installed over the original part of the bridge facing the highway.

Evergreens more than 150 feet in height once formed a colonnade along both sides of the road. During the 1940s, in this virgin timber area, loggers were busy felling the forest giants for shipment to the near-by White River Mills and other lumber plants in western Washington.