Archive

Kewaunee CTH S Ahnapee River Bridge

The Kewaunee County Highway Department retained Ayres to design the replacement of the CTH S bridge over the Ahnapee River in Algoma. The design was for the replacement of a single-span steel through girder bridge, which was approximately 105 feet long with a clear roadway width of 26 feet. The bridge was a fracture-critical structure,… Read More »

Rock County New CTH BT

Rock County hired Ayres to analyze several alternatives and prepare final plans and specifications for a new connector route between CTH G and CTH S at the north edge of the City of Beloit near the IH 39 interchange. The selected alternative included a 240-foot-long new bridge over Turtle Creek. This selected route also included… Read More »

Grimh Dam Removal

Ayres proposed and evaluated several alternatives for rehabilitating Grimh Dam, a 30-foot-tall hydroelectric dam in northwestern Wisconsin. Based on the alternatives evaluation, North Central Power Company decided to remove the dam. Ayres developed plans and specifications for staged removal of the concrete powerhouse, concrete spillway structures, and earthen embankments. Sediment volumes within the 710-acre-feet reservoir… Read More »