20240112 10344000 1.0 TRUE Completed Fish Passage Projects The streamcrossings layer was created by intersecting mapped streams and roads. Streamcrossing types can include bridges or culverts. This layer is updated through fish passage culvert Level A surveys. The Level A data are used to evaluate whether the streamcrossing is a fish barrier, and help in prioritization of fish barrier removal. Snohomish County Surface Water Management