<p>From the back cover: "This edition delivers: 150 historic and large format contemporary photographs, many published for the first time; annotated drawings by Joseph Boquiren showing Portland's movable bridges in operation; "How and Why Bridges are Built" written by Fremont Bridge field engineer Ed Wortman; expanded and localized glossary of bridge terms; Portland transportation history timeline, truss patterns, bridge poetry, lyrics; new chapter about the Sauvie Island bridge, the first new river bridge built by Multnomah County in 50 years."</p>

The Portland Bridge Book

Sharon Wood Wortman

Ed Wortman

Urban Adventure Press

<p>The Big &amp; Awesome Bridges of Portland and Vancouver is a book that gets young people excited about science and engineering and provides teachers a comprehensive resource for developing engaging elementary school units of study, all through an exploration of one of the most diverse and historic collections of big river bridges in the world. Featuring: Rich content (historical and contemporary facts about all 22 of the Portland and Vancouver area big river bridges), instructions (to build and load test a truss bridge), interviews with bridge engineers/bridge operators/others, activities (tips for stepping out and exploring the bridges), math exercises (and other teacher resources), student art (bridge poetry and art from elementary students), and more! a project of PDX Bridge Festival, Inc. and Urban Adventure Press.</p>

The Big & Awesome Bridges of Portland & Vancouver : A Book for Young Readers and Their Teachers

Engineering & Transportation

Engineering

PDX Bridge Festival and Urban Adventure Press in cooperation with Portland Public Schools

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Books by Sharon Wood Wortman