By Reginald DesRoches
''Hurricane Katrina: functionality of Transportation Systems'' is a accomplished overview of the gulf coast's bridge, railroad, and roadway functionality following storm Katrina. whereas the failure of the levees in New Orleans attracted so much media consciousness, different infrastructure additionally suffered major harm. in the course of the gulf coast, bridges sustained minor to significant harm, with a number of in Mississippi and Louisiana thoroughly collapsing. equally, numerous railways and roads have been impeded by means of mammoth piles of particles. This booklet is thorough and compelling account of storm Katrina's devastating influence upon the gulf coast's significant transportation platforms. themes during this file comprise: evaluation of storm Katrina and harm; Emergency Preparedness; street Bridges, Railroad, and Roadway functionality and service; Rerouting and site visitors calls for; influence on New layout; and, Conclusions and classes discovered
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Example text
48). The concrete tower legs were also cracked. However, this bridge continued to carry traffic (two lanes with weight restrictions) after the storm. A $1 million contract was written by the Alabama DOT to repair the damage while allowing traffic to continue across the bridge. Fig. 44. ) Fig. 45. The Cochrane Africantown USA bridge in Mobile, AL. (Courtesy of MCEER/O 'Connor). Fig. 46. Oil Drilling Platform Blocked Impacting Cochrane Africatown Bridge (Courtesy ofADOT. Fig. 47. Damage to cables on Cochrane Africatown bridge from impact with oil drilling platform (Courtesy ofADOT).
Due to the damage of the movable bridge, many boats were stuck within Big Lake. Several spans of the bridge were shifted during the storm, due to dowel failure. In addition, a few of the bents were damaged. After the hurricane, the bridge was closed which severely affected local traffic. People needed to detour 37 miles out of the way to get to the other side of the bridge. The repair project was completed within 100 days with an incentive of $50,000 for every day when the project finish earlier than contracted and $50,000 of penalty per day of delay.
Most of the water was gone, but it left behind tangles of overturned rail cars, shipping containers, and sections of undermined track. Crews lived in trailers and motor homes for three weeks while they completed repairs. Hundreds of rail cars that were flooded were inspected per the AAR regulations as previously described. Crews used bulldozers with side-mounted booms to pick up overturned cars and locomotives and put them back on the tracks. The temporary loss of CSX's coastal route is the main reason that rail traffic into the City of New Orleans was severely reduced after the hurricane.