Type of Document	Thesis
Author	Lazo, Eric Christopher
URN	etd-07182008-103612
Title	Risk and Vulnerability Analysis of Civil Infrastructure: A Florida Bridges Case Study
Degree	Master of Science
Department	Civil and Environmental Engineering, Department of
Advisory Committee	Advisor Name Title John O. Sobanjo Committee Member Ren Moses Committee Member Yassir AbdelRazig Committee Member
Keywords	Probability Vulnerability Risk GIS Bridges Florida Bridges Civil Infrastructure
Date of Defense	2008-07-17
Availability	unrestricted
Abstract The last few years have had very active storm seasons and have had much damage on the nation’s infrastructure. Along with destructive storms are the chances of a terrorist attack. Since the attacks of September 11, 2001 the nation’s infrastructure has been under large scrutiny to make sure it as safe as it can be. Included in the nation’s infrastructure are bridges in a roadway network. Bridges are key parts to roadway networks, being connecting features to either over other roadways or over water to islands. Examining events that have occurred in the prior years can give great feedback to help plan for issues that might arise in the future. This research will discuss the ideas and calculations in order to find the risk and vulnerabilities of bridges in Florida. This model is based on data gathered from many different sources. The statistical bridge data was collected through the Florida Department of Transportation. Weather data such as hurricane and tornado history was collected through the National Oceanic and Atmospheric Administration. The fire data being used was received from the Florida Department of Agriculture and Consumer Services, Division of Forestry. The flood data and state population data was received through the United States Census Bureau. With the use of Geographical Information Systems, showing which bridges in the state of Florida relative to their locations, have the greatest risk to a natural or man-made disaster. The model and analysis that is to follow provides insight to how vulnerable Florida Bridges are to natural and man-made disasters. The same concepts and analysis can be applied throughout the country in order to help government officials realize where the problem areas are in order to be better prepared before an incident occurs. The analysis and the outputs of the model illustrates the important role of average daily traffic along with geographical location of these bridges and how they play a role in both natural disasters and man-made disasters.
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