WDFW Habitat Program, Fish Passage DivisionThis 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.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/d5060f16c6694f94b8b66041017fff9b_8engState of Washington Geospatial Open Data PortalPublicWSDOT - Fish Passage Uncorrected Barriers Statewide [Washington (State)]Web servicesWashington (State)Last Modified: 2026-01-06