Madigan-Hyland

of New York, New York
Rikers Island Bridge (Queens County, New York)
Built 1966
Steel stringer bridge over East River on Hazen Street
Open to traffic

Tappan Zee Bridge (Rockland County, New York)
Consulting Engineering Firm, 1955
Lost Cantilevered through truss bridge over Hudson River on I-87/I-287/New York State Thruway in South Nyack
Demolished 2018/2019