Contents 



Preface iv 



1 — Introduction 1 



Monitoring Completed Navigation Projects Program 1 



Objective of Periodic Inspections Work Unit 2 



Study Scope 3 



2 — Project Descriptions and Inspection Results 6 



Nawiliwili Harbor Breakwater, Hawaii 6 



Kahului Harbor Breakwaters, Hawaii 8 



Laupahoehoe Boat-Launching Facility Breakwater, Hawaii .... 12 



Yaquina Bay North Jetty, Oregon 14 



Siuslaw River Jetties, Oregon 17 



Umpqua River Training Jetty, Oregon 21 



Crescent City Harbor Breakwater, California 24 



Spud Point Marina Breakwater, California 25 



Fisherman's Wharf Harbor Breakwater, California 29 



Burns Harbor Breakwater, Indiana 30 



Cleveland Harbor East Breakwater, Ohio 36 



Cattaraugus Creek Harbor Breakwater, New York 39 



Manasquan Inlet Jetties, New Jersey 42 



Ocean City Inlet South Jetty, Maryland 45 



3 — Summary and Recommendations 50 



References 54 



SF298 



