Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.117.881 John Day River

The draw of the Portland and Western railroad bridge, mile 0.0 near Astoria, shall open on signal if at least one hour notice is given. However, the draw shall open promptly on signal from four hours before to four hours after each day's authorized commercial fishing period established by the Columbia River Compact (Washington State Department of Fisheries and the Fish Commission of Oregon) for the Columbia River Fishery below Bonneville Dam.