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A horizontally curved, precast-concrete, trapezoidal type of box-girder design, created more than a decade ago in Colorado, is gaining traction in Florida and Pennsylvania.
When drivers began using two new lanes of the Bayonne Bridge between Staten Island and New Jersey last month, they crossed not only the Kill Van Kull waterway but also a nexus between a historic engineering past and a modern engineering present.
Abba G. Lichtenstein, 92, a noted bridge engineer who helped develop key national load-rating and inspection standards and techniques and who was an expert in repair of historic spans and related structures, died on March 13 in Washington, D.C., his family confirms.