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Tag: railroad tracks
Roadbuilding
Pre-cast concrete key to Sarah Mildred Long Bridge construction
Engineers believe the $158.5 million Sarah Mildred Long Bridge project, connecting Portsmouth, N.H., with Kittery, Maine, may be the first vertical-lift bridge to use precast-concrete segmental towers, the Engineering News-Record reports. Construction of the new bridge carrying U.S. Route 1 Bypass over the Piscataqua River began in 2015. The bridge is slated to open by […]
December 5, 2017
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