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The previous Brady Street walkway and structure were functionally obsolete and in need of rehabilitation. The path, stairway and bridge provided pedestrian and bicycle access to lakefront parks, but did not meet the current Americans with Disabilities Act (ADA) or American Association of State Highway and Transportation Officials (AASHTO) bicycle and pedestrian guidelines for this type of facility. Milwaukee County received a grant from the Wisconsin Department of Transportation to develop the bridge removal and replacement project under the Congestion Mitigation/Air Quality (CMAQ) Program.
The Brady Street Bridge is a three-span, post-tensioned rigid frame concrete structure. The center span is 125 feet and the end spans are each 40 feet. The superstructure has a shallow arch bottom with a minimum thickness of 1.75 feet at the middle of the center span. This gives a center span-to-depth ratio of 71, underlining the aesthetic philosophy behind the design.
Bloom Companies’ scope of services included bridge and bike trail alternatives, preliminary and final design, and preparation of structural and trail designs, plans, specifications, quantities and estimates for the Brady Street Pedestrian Bridge and approaches and Eastern bike trail, in accordance with AASHTO, WisDOT Facilities Development Manual and Bridge Manual.