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This 6 PDH course covers fundamentals of bridge inspection. There are typically 4 basic types of bridge inspections: initial, routine, in-depth, and damage inspections. Inspections normally begin with abutments and superstructure elements and involve identifying items for repairs while maintaining safety. Inspectors must follow regulations regarding permits, equipment, and safety precautions to create a safe working environment.
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- 1. Fundamental of Bridge Inspection (6 PDH) Course No.: TBI-103 Credit: 6 PDH 1. How many basic types of bridge inspections are there? a. 6 b. 4 c. 3 d. 5 2. Which of the following is not one of the five basic duties of the bridge inspection team? a. Monitoring repair and maintenance activities to ensure compliance with the inspection findings b. Planning the inspection c. Preparing the report d. Identifying items for repairs and maintenance 3. What is the first step in preparing for a bridge inspection? a. Developing an inspection sequence b. Reviewing safety precautions c. Organizing tools and equipment d. Reviewing sources of information about the bridge 4. An inspection normally begins with the ________ and superstructure elements. a. Abutments b. Bearings c. Deck d. Piers 5. The beginning and end of the bridge are _________ a. Selected arbitrarily by the inspection team b. Determined from the route direction c. The north/east end (beginning) and south/west end (end of bridge) d. None of the above
- 2. 6. In a truss numbering system, the panel numbers should begin with Panel Point 1. a. True b. False 7. What type of permit must be obtained when inspecting a bridge crossing a railroad? a. Navigable permit b. Access permit c. Field permit d. Rail permit 8. Bridge location and ________ are two main factors in determining required inspection tools and equipment. a. Size b. Traffic load c. Condition d. Type 9. It generally takes more time to inspect and document a deteriorated element than it does to simply observe and document that an element is in good condition. a. True b. False 10. Beams and girders; floor beams and stringers; trusses; catenary and suspender cables; eye bar chains; arch ribs; frames; and pins and hanger plates are _______________. a. The most common form of main supporting members b. Examples of substructure elements that must be inspected c. Secondary in importance to foundation elements d. None of the above 11. What is the primary concern, when evaluating the effects of waterway son bridges? a. Rusting of steel members caused by moisture
- 3. b. Deterioration of concrete abutments caused by continual contact with water c. Debris accumulation d. Scour 12. According to the NBIS, each bridge must be inspected at regular intervals not to exceed _______. a. Twenty-four months b. Twelve months c. Sixty months d. Thirty-six months 13. An unscheduled inspection to assess structural damage resulting from environmental factors or human actions is called ________. a. A damage inspection b. An inventory inspection c. A special inspection d. An in-depth inspection 14. Creating a safe working environment by providing clear safety regulations and guidelines, safety training, and proper tools and equipment is the primary responsibility of the ________. a. Employer b. Bridge inspector c. Supervisor d. Owner of the bridge 15. A hard hat should never be worn during free climbing because it may fall off and cause the climber to trip. a. True b. False 16. Bifocals should not be worn during climbing. a. True b. False 17. Histoplasonosis, a potentially very serious illness, maybe caused by ________. a. Exposure to pigeon droppings
- 4. b. Exposure to sandblasting c. Infection from cuts or abrasions caused by sharp-edged steel members d. Exposure to vapors from painting 18. OSHA regulations specify that a lanyard must limit a fall to ________ feet. a. 6 b. 8 c. 10 d. 4 19. Safety precautions can be divided into four main categories: General Precautions, Climbing Safety, Confined Spaces, and ___________. a. Culverts b. Laceration danger c. Traffic d. Water hazards 20. When using a ladder in an inspection, the tilt of the ladder should be ________. a. 5:1 b. 4:1 c. 3:1 d. 2:1 21. Support cables for rigging should be at least ________inch in diameter. a. 遜 b. 3/8 c. 他 d. 1 22. The average perception-reaction time of a driver is ____________seconds. a. 1.5 b. 1.2 c. 2.0 d. 2.5 23. Under water structural elements are to be inspected at regular intervals not to exceed ____________.
- 5. a. Forty-eight months b. Thirty-six months c. Sixty months d. Twenty-four months 24. Which of the following is a typical channelizing device? a. A flasher b. A traffic cone c. A regulatory sign d. An arrow board 25. A bridge inspector does not inspect the approach pavement because it is not considered part of the bridge. a. True b. False 26. Generally any time a shoulder or travel lane will be occupied by workers or equipment, ________should be employed. a. Flaggers b. Shadow vehicles c. Drums d. A message board 27. Advantages of rotary percussion testing tools include ____________. a. Ability to detect near-surface delaminations b. Quickness of testing c. Low equipment cost d. All of the above 28. A float refers to __________. a. A chair suspended with a rope b. An observational platform on a barge anchored under a bridge c. A wood plank platform hung by ropes d. A bucket on an under bridge inspection vehicle
- 6. 29. An increment borer is an example of a tool for _________. a. Access b. Cleaning c. Documentation d. Inspection 30. A safety boat must be provided when working over water. a. True b. False 31. When a ladder is used for inspection, an assistant should be present if the ladder height is over ____________ feet. a. 25 b. 20 c. 15 d. 30 32. In most cases, what advantage does using a ladder have over employing a lift device? a. The ladder will be quicker b. The ladder will be less expensive c. The ladder will permit a larger area to be inspected per setup d. The ladder will be safer 33. Scaffolds provide an efficient access alternative for structures that are less than ___________ feet high and over level ground with little or no traffic nearby. a. 50 b. 75 c. 60 d. 40 34. Which of the following is a way that man lifts differ from bucket trucks? a. In a man lift, the inspector controls only the bucket b. Man lifts are usually not licensed for use on highways c. Man lifts are limited to use on fairly level terrain d. Man lifts come in only one sizea 40-foot lift
- 7. 35. A traveler platform is typically parallel to the girders. a. True b. False