This book provides a detailed look at the design and construction of the Direct Lift-Bridge over the Outlet of Black Lake near Holland, Michigan. It covers key aspects of the project, including the use of innovative construction techniques and materials, the engineering challenges involved in building a lift-bridge, and the impact that the bridge has had on the local community. The book is geared towards civil engineers and bridge designers, and is a must-read for anyone interested in the history and design of innovative infrastructure projects. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.