PROJECT PROFILE WJE www.wje.com Lincoln Park Pedestrian Bridge Annual Inspection, Field Testing, and Structural Rehabilitation | Chicago, IL CLIENT Chicago Park District BACKGROUND The Lincoln Park Pedestrian Bridge spans Lake Shore Drive, joining one of the City of Chicago’s largest parks and the Lincoln Park Zoo to the lakefront. The bridge is a three- hinged steel arch supporting a concrete-filled steel grid walkway by means of a series of hangers. Its span center-to-center of lower hinges is 189 feet. The width between the arch ribs is approximately 13 feet. The bridge was designed and constructed in the mid-1930s. SOLUTION Since 1990, WJE has provided annual i

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