Bridgeport Lamp Chimney Company Bowstring Concrete Arch Bridge - Structure Details

Structure Details

The bridge is 70 feet 4 inches long by 8 feet 11.8 inches in width. The height of the center line transom is 10 feet above the deck. Although hidden from view, a notable feature is the proprietary reinforcement used throughout the structure. The principal reinforcing bars are either of the patented Havemeyer reinforcement, produced by the Concrete Steel Company of New York, or a similar bar produced by Cambria Iron Works of Johnston, PA. It was an era of intense competition among reinforcing bar manufacturers with each individual deformed bar pattern carefully protected by patents. Smooth bars of approximately 1/4 inch diameter were employed for stirrups throughout the bridge structure.

  • Arch 12" x 19"
  • Tension ties 9" x 15"
  • Deck 3"
  • Verticals 8" x 8"

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