Archive

Merrimac Railroad Bridge Inspection

Wisconsin & Southern Railroad Co. retained Ayres to provide a comprehensive study and evaluation of a leased bridge near Merrimac. The structure is a 22-span, 1,729-foot-long open-deck truss/open-deck girder structure over the Wisconsin River. Services included field survey and underwater contour mapping, underwater inspection with divers, structural steel superstructure inspection, load rating, risk analysis, cost… Read More »

Bong Memorial Bridge Rehabilitation

The Wisconsin Department of Transportation hired Ayres to design the rehabilitation of the 1.5-mile-long Bong Memorial Bridge and its 1.3-mile urban approach in Superior. The project included placing a concrete deck overlay on approximately 600,930 square feet of existing bridge deck and replacing the 18 sets of modular expansion joints and six strip seal joints.… Read More »

FDOT District 5 Bridge Scour

Ayres provided scour evaluations on 384 bridges in the Florida Department of Transportation’s District 5 that have unknown foundations and lie over tidal and non-tidal waterways. The project’s goal was to accurately determine each bridge’s risk of failure from scour, providing the impetus for taking remedial action where warranted while heading off unnecessary work on… Read More »