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Installation of Scour Filter Systems

Current technical guidance on river scour and erosion control countermeasure design includes recommendations for either a granular or geotextile filter beneath countermeasures consisting of armoring materials. However, there has been little guidance on installation techniques for placing the filter underwater. The Transportation Research Board’s National Cooperative Highway Research Program Project 24-42 developed specific guidance for… Read More »

US 183 over Boggy Creek Hydraulics

Ayres provided a forensic investigation of the cause of scour and bank instability at the US 183 bridge over Boggy Creek in Austin, Texas. Our team evaluated the design of the cutoff wall and bank stabilization and developed stream stability design plans for mitigation. The project involved site hydrologic analysis, 1D HEC-RAS hydraulic modeling, scour… Read More »