David B. Steinman
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David Barnard Steinman was an American civil engineer. He was the designer of the Mackinac Bridge and many other notable bridges, and a published author. He grew up in New York City's lower Manhattan,
Steinman on the Mackinac Bridge.
Steinman's crowning achievement, the "Mighty Mac" or Mackinac Bridge
Carquinez Bridge 2
Ponte Hercilio Luz 012
Waldo–Hancock Bridge
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The Waldo–Hancock Bridge was the first long-span suspension bridge erected in Maine, as well as the first permanent bridge across the Penobscot River downstream from Bangor. The name comes from connec
Waldo–Hancock Bridge in 2001
Dedication plaque, 1931
Toll ticket books, c1935
The closed Waldo-Hancock Bridge in 2007 still showing its temporarily repaired cables