HEC-18 Evaluating Scour at Bridges
https://www.fhwa.dot.gov/engineering/hydraulics/pubs/hif12003.pdf
Water Crossing Design Guidelines
https://wdfw.wa.gov/sites/default/files/publications/01501/wdfw01501.pdf
WSDOT Design Manual
https://www.wsdot.wa.gov/publications/manuals/fulltext/M22-01/design.pdf
WSDOT Standard Specifications
https://www.wsdot.wa.gov/publications/manuals/fulltext/M41-10/SS.pdf
WSDOT Standard Plans
https://wsdot.wa.gov/engineering-standards/all-manuals-and-standards/standard-plans
WSDOT Hydraulics Manual
https://www.wsdot.wa.gov/publications/manuals/fulltext/M23-03/HydraulicsManual.pdf
WSDOT Highway Runoff Manual
https://www.wsdot.wa.gov/publications/manuals/fulltext/M31-16/highwayrunoff.pdf
WSDOT Bridge Design Manual
https://www.wsdot.wa.gov/publications/manuals/fulltext/M23-50/BDM.pdf