This GIS data shows the locations of WSDOT road crossings, including culverts, dams, bridges, and fishways.The GIS data contains attributes identifying location information in latitude and longitude, as well as state plane coordinates and state route and milepost. Additional attributes include indicators for fish use, barrier status, and fish species. It is a subset of data compiled and extracted from the Washington Department of Fish and Wildlife's (WDFW) Fish Passage and Diversion Screening Inventory (FPDSI) database. It includes data compiled from several WDFW and non-WDFW fish passage barrier inventory efforts.