Mike O'Callaghan–Pat Tillman Memorial Bridge - Quiz
Mike O Callaghan Pat Tillman Memorial Bridge
  • 1. Who led the project design team for the Mike O'Callaghan–Pat Tillman Memorial Bridge?
A) T.Y. Lin International
B) The Hoover Support team
C) Sverdrup Civil, Inc.
D) HDR, Inc.
  • 2. What is the total length of the Mike O'Callaghan–Pat Tillman Memorial Bridge?
A) 900 feet
B) 1,900 feet
C) 840 feet
D) 1,060 feet
  • 3. How high above the Colorado River is the bridge roadway?
A) 840 feet
B) 1,060 feet
C) 900 feet
D) 1,900 feet
  • 4. What kind of bridge is this in terms of construction materials?
A) All-steel suspension
B) Prestressed concrete truss
C) Reinforced concrete beam
D) Concrete-and-steel composite arch
  • 5. Which of the following describes the bridge's arch?
A) Tallest arch in the world
B) Widest concrete arch in the Western Hemisphere
C) Narrowest concrete arch in the United States
D) Widest steel arch in the world
  • 6. How high is the arch above the Colorado River?
A) 840 feet
B) 1,060 feet
C) 900 feet
D) 1,900 feet
  • 7. What connects the twin arch ribs?
A) Steel struts
B) Suspension cables
C) Steel cables
D) Concrete beams
  • 8. Why was the composite design selected for the bridge?
A) To make it the tallest bridge in the world
B) To increase the bridge length
C) To allow for a wider roadway
D) For schedule and cost control
  • 9. Who referred to the bridge as 'an American triumph'?
A) HDR, Inc.
B) USA Today
C) The Hoover Support team
D) Sean Holstege
  • 10. What did USA Today call the bridge on October 18, 2010?
A) An American triumph
B) America's Newest Wonder
C) The Concrete Arch Wonder
D) The Hoover Dam Bridge
  • 11. Is the Hoover Dam visible from the roadway while driving across the bridge?
A) No
B) Only during the day
C) Yes
D) Only from the passenger side
  • 12. Where is the parking area for the bridge located?
A) On the Arizona side
B) At the bottom of the canyon
C) Directly on the bridge
D) On the Nevada side
  • 13. How do pedestrians get to the sidewalk across the bridge?
A) By a shuttle service
B) By a tunnel
C) By an elevator
D) By stairs and disabled access ramps
  • 14. How many lanes wide is the bridge?
A) Four
B) Eight
C) Six
D) Two
  • 15. What materials were used for the arch and columns?
A) Timber
B) Concrete
C) Aluminum
D) Steel
  • 16. What is the primary purpose of the Mike O'Callaghan–Pat Tillman Memorial Bridge?
A) To serve as a dam overflow structure
B) To bypass the Hoover Dam
C) To connect local residential areas
D) To provide a pedestrian walkway
  • 17. In what year did the bridge open to traffic?
A) 2001
B) 2012
C) 2010
D) 2005
  • 18. Who was Pat Tillman?
A) An American football player turned soldier
B) A Nevada state senator
C) The bridge construction manager
D) A project lead architect
  • 19. How far is the bridge located from Las Vegas?
A) Approximately 50 miles
B) Approximately 30 miles
C) Approximately 100 miles
D) Approximately 10 miles
  • 20. What is the total cost of the Hoover Dam Bypass project?
A) $240 million
B) $500 million
C) $350 million
D) $114 million
  • 21. How much did the bridge portion of the project cost?
A) $75 million
B) $240 million
C) $114 million
D) $100 million
  • 22. Which bridge is the only one higher than the O'Callaghan-Tillman bridge in the United States?
A) Royal Gorge Bridge
B) Golden Gate Bridge
C) Glen Canyon Bridge
D) New River Gorge Bridge
  • 23. The O'Callaghan-Tillman bridge holds the record for being the highest what in the U.S.?
A) Railroad bridge
B) Suspension bridge
C) Road bridge
D) Pedestrian bridge
  • 24. When did construction of the bridge itself begin?
A) March 2001
B) July 2001
C) February 2005
D) October 2010
  • 25. What was the alternative name for the route selection chosen in 2001?
A) Colorado River Bridge Route
B) Sugarloaf Mountain Alternative
C) Hoover Dam Bypass Route
D) Nevada-Arizona Link
  • 26. Which organization managed the bridge project starting in 1997?
A) Nevada Department of Transportation
B) Bureau of Reclamation
C) Arizona Department of Transportation
D) Federal Highway Administration
  • 27. What was the length of the detour for commercial trucks before the bridge was built?
A) 23 miles
B) 50 miles
C) 104 miles
D) 200 miles
  • 28. In what year did work begin on the approaches of the bridge?
A) 2005
B) 2004
C) 2006
D) 2003
  • 29. What caused a four-month delay in May 2006?
A) A flood in the Colorado River
B) A shortage of steel materials
C) A permit problem regarding a concrete-batch plant
D) A strike by construction workers
  • 30. Which construction worker died in an accident in November 2008?
A) Sherman Jones
B) Pat Tillman
C) Robert Kraemer
D) John O'Callaghan
  • 31. How many pieces make up the arches of the bridge?
A) 53 pieces
B) 89 pieces
C) 200 pieces
D) 106 pieces
  • 32. When were the twin arch spans completed?
A) March 2008
B) August 2009
C) October 2010
D) December 2009
  • 33. What was the final gap measurement between the two halves of the arch in August 2009?
A) 3/4 inch
B) 3/8 inch
C) 2 inches
D) 1 inch
  • 34. Which TV series featured the building of the bridge?
A) Extreme Engineering
B) Mega Structures
C) Modern Marvels
D) Building Giants
  • 35. In what year was the bridge given the added designation of Interstate 11?
A) 2015
B) 2018
C) 2020
D) 2010
  • 36. Who was responsible for the roadway surfacing on both approaches?
A) Frehner Construction Company, Inc.
B) Las Vegas Paving Corporation
C) Obayashi Corporation
D) Vastco, Inc
  • 37. How many concrete columns are on the Nevada side of the approach spans?
A) Five
B) Two
C) Seven
D) Four
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