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Patterson Bridge Project

Interesting facts about the Patterson Bridge!
Did you know...

  • The estimated cost of the structure in 1932 was $653,000.
  • The bridge weighs 63,706,000 lbs (31,853 tons) comprised of 15,730 cubic yards of concrete and 965 tons of steel.
  • It required 11,000 cubic yards of excavation, and 42,000 linear feet of piling to support the structure.
  • CB McCullough was considered a pioneer in the use of european techniques in concrete bridge design.
  • The invention of concrete is attributed to the romans, who built structures using natural cement starting in 199 B.C .
  • The use of concrete died out during the dark ages.
  • The first recorded use of concrete (since roman times) occurred in Paris, France in 1499.
  • Around 1800, concrete became a popular construction material in Europe.
  • Natural hydraulic cement (a.k.a. Portland Cement) was discovered in the U.S. in 1818.
  • Reinforced concrete was patented by englishman Ralph Dodd in 1818, utilizing wrought iron bars as reinforcement.
  • By 1850's, concrete was used extensively in the foundations of buildings and other civil engineering works in the United States.
  • Between 1920 and 1960, most of Oregon's bridges were constructed of reinforced concrete.
    Keep watching this page for more trivia as the bridge construction continues!