Firm Overview // Timeline

Important Moments in H&H History.

1887 Waddell establishes his own firm in Kansas City, MO
1894 South Halsted Street Bridge, Chicago, IL – Became the prototypical vertical-lift bridge.
1899 Waddell & Hendrick formed
1907 Waddell & Harrington formed Waddell appointed Principal Engineer of the Trans-Alaska Siberian Railway Co.
1913 Arroyo Seco Bridge (Colorado Street Bridge over Arroyo Seco), Pasadena, CA
1917 Waddell & Son Formed
1920 Waddell moves the firm to New York City from Kansas City
1927 Hardesty joins Waddell as Partner; Waddell & Hardesty formed
1928 Goethals Bridge and Outerbridge Crossing, NY – NJ
1931 Anthony Wayne Bridge (Suspension), Ohio – AISC Award Winner
1935 North Grand Island Bridge (Truss), New York – AISC Award Winner
1937 Marine Parkway Bridge (Vertical-Lift) New York – AISC Award WinnerThe Marine Parkway-Gil Hodges Memorial Bridge was one of the many public works projects carried out by the great builder, Robert Moses.
1941 Rainbow Bridge (Arch), NY/Canada – AISC Award Winner – Most Beautiful Bridge –
1945 Hanover joins the firm as a partner HARDESTY & HANOVER FORMED
1952 Southeast Fourth Avenue (Skew Bascule), Florida – AISC Award Winner
1954 Hoover Avenue Bridge (Girder), New York – AISC Award Winner
1962 Lewiston-Queenston Bridge (Arch), NY/Canada – AISC Award Winner
1963 Alexander Hamilton Bridge over the Harlem River
1968 Robert Moses Causeway over Great South Bay and State Boat Channel Bridges twin), Long Island, NY
1973 Piscataqua River Bridge (Truss), Maine and New Hampshire – AISC Award Winner
1976 Stratford Avenue (Vertical Lift), Connecticut – AISC Award Winner
1982 Elizabeth River Bridge (Bascule), Virginia – AISC Award Winner
1988 New York State Thruway over Schoharie Creek Bridge Replacement, NY. On the morning of April 5, 1987 the swift current of a swollen Schoharie Creek took its toll on the shallow foundations of the original New York State Thruway bridge over Schoharie Creek. That same day, engineers from Hardesty & Hanover arrived to start both investigating the collapse and planning a replacement bridge along this critical route.
1991 Greenpoint Avenue Bridge (Bascule), New York – AISC Award Winner
1996 Route I-80/Route 19 Interchange, New Jersey – AISC Award Winner – Best Project of its Kind
2001 Ninth Street Bridge (Vertical Lift), NY – AISC Award Winner
2002 Tomlinson Bridge over Quinnipiac River, New Haven, CT
2003 Marine Parkway Bridge (Reconstructed – Vertical Lift), NY – AISC Award Winner
2005 New Croton Dam Spillway Bridge (Arch), NY – AISC Award Winner Third Avenue Bridge (Swing), NY – AISC Award Winner
2008 Woodrow Wilson Bridge over Potomac River, MD – VA – The new Woodrow Wilson Bridge is a signature crossing over the Potomac River just south of Washington, DC. It carries twelve lanes of Interstate I-95/495 traffic (with provision for two of the lanes to be converted to commuter rail).
2009 Reconstruction of Grand Concourse over East 161st Street and Grand Concourse – East 161st – East 166th Street, Bronx, Diamond Award, ACEC New York
2010 Ben Sawyer Swing Bridge, Mount Pleasant/Sullivan’s Island, SC – Project included replacement of the aging steel superstructure including the swing-span section with a new swing-span truss and operating machinery.
2010 Strategic Alliance with Thorton Tomasetti Announced
2012 NYCDOT Willis Avenue Bridge over the Harlem River Named Top Ten Bridge
2012 Firm celebrates 125 Anniversary with the publishing of a 163-page history book
2013 Murray Morgan Bridge dedicated in Tacoma, WA
2014 Principal Emeritus, Andrew Herrmann, PE, named winner of ENR New York’s Inaugural Legacy Award
2014 Firm receives NY Construction Legacy Award from New York Building Congress
2015 Innovation, Science & Technology Building at Florida Polytechnic University Named ENR Global Project of the Year
2016 Acquisition of Florida transportation leader The Heimburg Group