Click the Google Preview button to take a look inside this book. 21st-Century BridgesSeries: Feats of 21st-Century EngineeringBy DetailsDetails One of the most important things about living in today's modern world is the ability to travel. Bridges are one of the most important aspects of our modern transportation system. Since the beginning of civilizations, simple bridges have been used to get people over rivers, across valleys, and even across mountains. Today, technology allows engineers to design the most amazing architectural marvels in the world. This resource explores the fascinating history of bridge building and focuses on the engineering accomplishments that will allow safe and sustainable transportation today and far into the future.Publication Date: 08/01/2018Copyright: 2018Pages: 48Trim Size: 7 1/4 x 9 1/4Illustrations: Grade Level: 3–6Age Level: 8–11Dewey: 624.2--dc23FormatsFormatISBNList PriceDiscount PriceLibrary Bound Book9780766096943$29.60$22.20eBook9780766096967$29.60$22.20 Loading… Other books in Feats of 21st-Century Engineering 12 Loading… Loading… eBook: 9780766096967 List Price: $29.60 Discount Price: $22.20 + Add to wish list Library Bound Book: 9780766096943 List Price: $29.60 Discount Price: $22.20 + Add to wish list Please log in Log in or register to create a wish list. Login or Register Loading… -----OR----- Click to buy at Amazon.com or Barnes and Noble