Tay River Bridge Structures

Study this chart. All the questions are related to it.

In your own words, what is this chart comparing?

Who was the engineer for the Crumlin viaduct, and in what year was it opened?

• Bouch (1860)

• Kennard (1858)

• Bouch (1878)

• Kennard (1860)

Which version of the bridge had the largest single span (between piers)?

• Crumlin viaduct

• Belah viaduct

• Tay Bridge

How many columns per pier did the Tay Bridge have?

• 14

• 6

• 7

• 10

What was the pier height of the Belah viaduct? (in feet)

Which bridge had the greatest number of diagonal tiebars giving lateral bracing per pier?

• Crumlin viaduct

• Belah viaduct

• Tay Bridge

• All had the same number

What was the fate of the Tay Bridge?

• Failed in service 1879

• Demolished 1963

• Demolished 1966-7

• Still in service

By analyzing the chart, what do you think may be some structural or mechanical reasons that the Tay Bridge failed?