Types of Bridges

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Types of Bridges
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Stone Arch Bridges
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Concrete Arch Bridges
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Steel Deck Arch Bridges
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Steel Through Arch Bridges
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Building Arch Bridges
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Steel Girder Bridges
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Building Steel Girder Bridges
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Concrete Girder Bridges
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Building Concrete Girder Bridges
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Simple Steel Truss Bridges
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Cantilever Truss Bridges
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Moveable Steel Truss Bridges
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Building Truss Bridges on a PC Computer (later
today)
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Cable Stayed Bridges
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Suspension Bridges
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The Brooklyn Bridge
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Bridge Dimensionsand Historic Data

• - Main Span Length 1,595.5 feet
• - Total Bridge Length 5,989 feet
• - Tower Heights 277 feet
• - Bridge Width 85 feet
• - Number of Cables 4
• - Cable Diameters 15.5 inches
• - Number of Wires per Cable 21,432 wires
• - Construction Period 1869 to 1883
• - Total Cost 15.2 million

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John A. Roebling
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John A. Roebling

• - German Born and Educated Engineer
• - Moved to Pennsylvania to Become a Farmer
• - Failed as a Farmer and Began Wire Rope Factory
• - Returned to Bridge Engineering
• - Designed and Built Several Suspension Bridges
• - Delaware Aqueduct Bridge
• - Niagara Falls Bridge
• - Cincinnati Bridge
• - Became Chief Engineer for the Brooklyn Bridge
• - Died Following an Accident Near the Bridge Site

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Colonel Washington Roebling
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Colonel Washington Roebling

• - Born in the United States and Educated at RPI
• - Fought as a Union Engineer in the Civil War
• - Left the Union Army to Supervise the Final
  Construction of the Cincinnati Bridge
• - Became the Chief Engineer of the
  Brooklyn Bridge following His Fathers Death
• - Moved Roebling Wire Rope Factory to Trenton
• - Severely Injured by the Bends Following a
  Major Fire in the Manhattan Tower Caisson
• - Was Bedridden for the Remainder of the Project

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Emily Warren Roebling
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Emily Warren Roebling

• - Wife of Colonel Washington Roebling
• - Born in the USA, but not Educated as an
  Engineer
• - Gradually became the Chief Engineer of the
  Brooklyn Bridge after Her Husbands Injury
• - Honored for Her Work on the Brooklyn Bridge by
  Plaques on Each Tower of the Bridge
• - First Woman to Deliver a Formal Speech to the
  American Society of Civil Engineers
• - Regarded by Most People as the First Woman
  Bridge Engineer in the United States

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Building Suspension Bridges