Archive

Ashland CTH N over Chippewa

Ashland County retained Ayres to design a replacement for the CTH N (Grant Street) structure over the East Fork of the Chippewa River. This challenging site is in the Village of Glidden and features buildings immediately adjacent to the bridge and a railroad crossing 70 feet from the bridge. Ayres’ design reduced potential flood impacts… Read More »

I-35 Bridge River Analysis

Ayres played an important role in the extraordinary project that quickly reconstructed the I-35W bridge over the Mississippi River in Minneapolis in the wake of the previous bridge’s tragic August 2007 failure. The Minnesota Department of Transportation set an aggressive completion target of December 24, 2008, for the project and hired the design-build team of… Read More »

Dedham Road over Nemadji River

The Wisconsin Department of Transportation and the Town of Superior retained Ayres to design the replacement of a historic steel truss bridge with a new three-span haunched slab bridge. Services included survey, wetland delineation, highway design, structure design, right-of-way, geotechnical engineering, hydraulic design, environmental coordination, and historic clearance. Key issues and challenges were the historic… Read More »