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Types of Bridges. Stone Arch Bridges. Concrete Arch Bridges. Steel Deck Arch Bridges. Steel Through Arch Bridges. Building Arch Bridges. Steel Girder Bridges. Building Steel Girder Bridges. Concrete Girder Bridges. Building Concrete Girder Bridges. Simple Steel Truss Bridges.

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bridge dimensions and historic data

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

john a roebling20

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

colonel washington roebling22

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 Father’s 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

emily warren roebling24

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 Husband’s 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