Much of the railroad infrastructure in the United States was initially built over a century ago, whereas the highway infrastructure is roughly half as old. Consequently, the existing railroad infrastructure presents more cases with advanced stream stability issues. These include advanced lateral and vertical migration which must be addressed when assessing, mitigating, or redesigning railroad bridges for stream stability and scour. Bridge 433.3 on the Union Pacific Railroad near Chickasha, Oklahoma is used as a case study to illustrate the problems with redesigning a railroad bridge crossing which has experienced advanced long-term lateral stability issues, and to demonstrate how mitigating for stream stability and scour at railroads differs from similar work within the National Highway System.
Redesign and Rehabilitation of Railroad Bridges with Advanced Adverse Lateral Migration
World Environmental and Water Resources Congress 2009 ; 2009 ; Kansas City, Missouri, United States
2009-05-12
Conference paper
Electronic Resource
English
Environmental issues , Hydrology , Ecosystems , Wetlands , Drainage , Water treatment , Water management , Water supply , Rivers and streams , Stormwater management , Hydrodynamics , Irrigation , Wastewater management , Sediment , Railroad bridges , Water distribution systems , Groundwater management , Water resources , Water rights , Land use , Infrastructure , Drinking water , Watersheds , Rehabilitation , Hydraulic structures , Water quality
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