By Reginald DesRoches
''Hurricane Katrina: functionality of Transportation Systems'' is a finished overview of the gulf coast's bridge, railroad, and roadway functionality following typhoon Katrina. whereas the failure of the levees in New Orleans attracted so much media recognition, different infrastructure additionally suffered major harm. during 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 way of monstrous piles of particles. This publication is thorough and compelling account of storm Katrina's devastating influence upon the gulf coast's significant transportation platforms. issues during this file contain: evaluate of storm Katrina and harm; Emergency Preparedness; road Bridges, Railroad, and Roadway functionality and service; Rerouting and site visitors calls for; effect on New layout; and, Conclusions and classes discovered
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Typical Damage tol-10 Twin-Spans (Courtesy ofLADOTD). Fig. 29. Fractured girder seat (Courtesy of LADOTD) Fig. 28. Bent beam and bearing base plates (Courtesy of LADOTD) 22 Hurricane Katrina: Performance of Transportation Systems The repair and recovery of the I-10 Twin-Spans was fast tracked due to its importance as a major transportation link. A thorough survey and documentation of the damage was conducted on September 2-4. In addition, representatives from the Florida DOT were consulted on bidding and repair procedures because of their recent experience in 2004 with the I-10 bridge over Escambia bay near Pensacola, Florida.
20. Repair of Bridge Damage on Popps Ferry Bridge Fig. 19. htm. 18 Hurricane Katrina: Performance of Transportation Systems David V. LaRosa Bridge The David V. LaRosa Bridge carried traffic along W. Wittman Road in Harrisson county, Mississippi, and is owned by the local district. During the storm, a few spans had drifted. The drifted spans were jacked back into their original location and the bridge became fully functional 60 days after hurricane. Fig. 21 David V. 2 Performance and Repair of Highway Bridges in Louisiana Highway bridges in Southeastern Louisiana were subjected to high winds and severe storm surge levels during hurricane Katrina.
Deck of Bayou La Batre Bridge (photo courtesy ofADOT). Dauphin Island Bridge As was previously mentioned, Hurricane Frederick destroyed the Dauphin Island Bridge in 1979. The new bridge was quickly designed and (using precast segmental construction) was re-opened to traffic in July of 1982. The main span is 400 feet, which made it the longest precast bridge span at the time. The bridge is 17,814 feet long and supported on tall, hollow piers and driven piles. 53). 54). Fig. 53. Photo of Dauphin Island Bridge after Hurricane (Courtesy ofADOT) Fig.
Hurricane Katrina : performance of transportation systems by Reginald DesRoches