Archive

Iron CTH E Bridge over Alder Creek

Iron County retained Ayres to replace a failed culvert pipe on CTH E at Alder Creek that caused significant flooding and led to a section of the highway washing out. Ayres’ emergency design replaced the culvert pipe with a single-span concrete flat slab bridge. Minor approach work was also completed at this site. A nearly… Read More »

USH 10 Over Plum Creek Bridge

Ayres provided design engineering services for the replacement of the Plum Creek bridge and approaches on USH 10 in Pierce County, Wisconsin. This project was unusual because the chosen alternative involved a shorter, single-span bridge in place of the existing five-span bridge built in the 1950s. Hydraulic analysis showed the old structure was larger than… 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 »