Double Duty

by Ben Hawthorne, P.E., (M.ASCE), Senior Associate, Senior Project Engineer; Hardesty & Hanover, New Haven, CT,
, S.E.

Serial Information: Civil Engineering—ASCE, 2019, Vol. 89, Issue 11, Pg. 62-71


Document Type: Feature article

Abstract: On June 8, 2018, more than 100 years after its namesake was born in the Little Harbor neighborhood of Portsmouth, New Hampshire, residents and dignitaries from New Hampshire and Maine gathered to celebrate the opening of the new Sarah Mildred Long Bridge, located just down the street. The innovative structure features stacked precast-concrete approach spans flanking a 300 ft long, 4 million lb steel and concrete vertical lift span supported by four independent precast-concrete lift towers.

Subject Headings: Steel structures | Precast concrete | Ports and harbors | Residential location | Streets | Innovation | Concrete structures | Highway and road structures | United States | New Hampshire | Maine

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