Dive summary:

• Rehabilitating the Alexander Hamilton Bridge that opened in 1963 and that carries Interstate 95 over the Harlem River in New York City and connects with other interstates and expressways was so daunting that contractors told New York State they were not going near it when  bids were first sought in 2007.
• The state rethought the design and came back in 2009 with a plan that a joint venture of CCA Civil Inc. – a subsidiary of the China State Construction Engineering Corp. – and Halmar International are carrying out now.
• The firm tackled how to go about the work and found ways to reduce the needed steel by half and to procure less-expensive material in China and have fabrication welding done by Chinese tradesman that the company certified itself to meet state standards.

From the article:

"It's like riding a bicycle while changing the tires," says Phillip Eng, assistant commissioner for NYSDOT. ...