Name______

Date______

Period______

Ideas Behind the Pacific Coast Highway

  1. The Pacific Coast Highway runs from ______to ______.
  1. The route is made up of three separate drives:
  2. ______
  3. ______
  4. ______
  1. Half way up California, the road crosses over one of the greatest engineering feats of all time, the ______.
  1. The initial goal of highway building was to ______county seats.
  1. Work on the Coast Highway didn’t begin until ______.
  1. The first work was done by ______with picks and shovels and horses. About 1920, ______equipment took over.
  1. What engineering techniques did they have to use to build around Point Mugu?
  1. What types of bridges did they decide to use? Describe them.
  1. Where did they get some of the explosive power for blasting?
  1. At Big Sur, the expression of a geological emerging coast line is ______and ______.
  1. The employee who rode the steam shovel down the landslide walked out of the accident and ______. In 1927 they replaced paid workers with ______labor.
  1. What unique engineering did they use at each end of the Big Creek Bridge? Why did they use it?
  1. In an arch bridge the load is ______over the length of the bridge.
  1. To preserve the natural beauty and provide an environmentally friendly method, engineers stopped building retaining walls and started ______to stop landslides
  2. How much more did the retrofit on the Bixby Bridge cost than the cost of the original construction?
  1. At Devil’s Slide the road was moved to an ______route. At San Francisco, California 1 crosses the ______.
  1. One of the longest ______bridges in the world, the Golden Gate cost the lives of ______men.
  1. Why do they use asphalt instead of concrete north of San Francisco?
  1. In ______a flood destroyed the road and the 101 was rebuilt on higher ground and connected to the state of ______, where it is known as the ______.
  1. C.B. McCullough is known as Oregon’s ______for his work on the 101. He designed his bridges according to what was needed for the ______.
  1. At the Rogue River he used a new method called the Freyssinet technique. How did this work?
  1. At Coos Bay, he used a cantilever truss to allow ______.
  1. At Newport he designed a ______of small sturdy bridges ______together across the bay.
  1. Much of his work picked up on ______of Europe and modern ______.
  1. The biggest challenge was the ______River. At first they used ______to get cars across, but finally built a bridge high enough that ______ships could go under.
  1. When the last of McCullough’s bridges was completed in tourism on Oregon’s coast highway jumped ______percent.
  1. The Pacific Coast Highway is one of the most expensive roads in the U.S. to ______.
  1. Describe these major coast highway disasters: 1938, 1958,
  1. What preservation methods are being used to save aging bridges? What happens if a bridge can’t be saved?
  1. The Oregon Department of transportation is at the forefront of ______.