Archive

Caley Drive Piney Creek Crossing

The East Caley Drive crossing of Piney Creek in Centennial, Colorado, had been a low water crossing since the 1970s, but it had increasingly become a safety hazard. The Urban Drainage and Flood Control District and the Southeast Metro Stormwater Authority retained Ayres to evaluate alternatives for the crossing and to design stream stabilization and… Read More »

Sacramento River Levee Erosion

Ayres performed annual erosion site reconnaissance on the Sacramento River Bank project for the Sacramento District of the U.S. Army Corps of Engineers. During these site investigations, our team found a number of critical erosion sites where the river has eroded into the toe of the levee. Given growing concern for levee stability, design and… 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 »