Historic Iron and Steel Bridges in Maine, New Hampshire and Vermont


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About the Book

This book chronicles the development of metal truss and related bridges in Maine, New Hampshire and Vermont from the 1860s to 1940: the various types and their inventors, historical changes in the highway and railroad networks that caused these bridges to be built, the rise of state bridge-building agencies, developments in the field of civil engineering, and preservation trends. While many notable metal bridges of the past are discussed in the context of these topics, the book’s main focus is a detailed account of the remaining historic bridges.

About the Author(s)

Historian Glenn A. Knoblock is the author of many works of New England, New Hampshire, and transportation history. A lecturer for the New Hampshire Humanities, he lives in Wolfeboro Falls, New Hampshire.

Bibliographic Details

Glenn A. Knoblock
Format: softcover (7 x 10)
Pages: 218
Bibliographic Info: 113 photos, appendices, bibliography, index
Copyright Date: 2012
pISBN: 978-0-7864-4843-2
eISBN: 978-0-7864-8699-1
Imprint: McFarland

Table of Contents

Acknowledgments      ix
Introduction      1

1. Northern New England’s Early Bridges      5
2. The Advent of Iron and Steel Truss Bridge Designs      10
3. The Anatomy of a Bridge      19
4. Notable Bridge Types of Northern New England      31
5. The Life of a Bridge      47
6. Civil Engineering in Northern New England      55
7. Railroad Bridges      64
8. The Death of a Bridge      72
9. Preservation Efforts      78

10. Vermont Bridges      89
11. New Hampshire Bridges      110
12. Maine Bridges      140
13. Interstate Bridges      167

Appendix 1: Bridge Companies Represented in the Region      187
Appendix 2: Vermont Historic Metal Highway Bridges      188
Appendix 3: New Hampshire Historic Metal Highway Bridges      191
Appendix 4: Maine Historic Metal Bridges      194
Bibliography      197
Index      203

Book Reviews & Awards

“chronicles the types of iron and steel bridges built in New England between 1860 and 1940”—Reference & Research Book News.