HNTB New Portsmouth Bridge design evokes history of predecessor www.portsmouth-nh.patch.com Old Memorial bridge main span floated out Feb. 8-9. After three days of delays, a visit from the Federal Highway Administrator and spirited public input, demolition began Feb. 8-9 on a key crossing between New Hampshire and Maine.
After three days of delays, a visit from the Federal Highway Administrator and spirited public input, demolition began Feb. 8-9 on a key crossing between New Hampshire and Maine.During a 72-hour window authorized by the Coast Guard to interrupt shipping, a design-build team led by Archer-Western Constractors used barges to float out the 300-ft-long center span of the Memorial Bridge in Portsmouth, N.H. during high tide. Through March, the towers and 40-ton concrete counterweights of the lift bridge will be removed using a 500-ton crane.The 88-year-old bridge was closed permanently to vehicular traffic on July 27 after New Hampshire Dept.
After enduring Gov. Rick Scott's suspension of contracts and consequent year-long delay to the start of construction, local, state and federal officials celebrated the survival of their prized $1.3-billion SunRail project with a project kickoff in late January.
A bipartisan-sponsored piece of legislation that would increase the weight limits for trucks on the interstate highway system is in limbo for now, after the House Transportation and Infrastructure Committee voted 33-22 on Feb. 2 to delay consideration of any increase.
The Interior Dept. and the Bureau of Ocean Energy Management breathed new life into offshore wind-farm leases on Feb. 2 by decreeing that in-depth environmental reviews are not needed before leasing can begin off the coasts of Maryland, Virginia, New Jersey and Delaware.
New York state transportation agencies have qualified four of five design-build teams that sought places on the short-list to build the estimated $5-billion-plus replacement of the aging Tappan Zee bridge across the Hudson River, north of New York City.
Expected to open in June, Berlin Brandenburg International Airport, a single new, robust air hub for Germany's capital, is nearing completion. Located 18 kilometers southeast of the city center, it will incorporate one runway from Schonefeld Airport, the smaller of Berlin’s two existing airports.
In-water work restrictions are so tight in the salmon-filled rivers of western Oregon that the Oregon Dept. of Transportation decided to employ a top-down bridge construction method to replace a section of Interstate 84 east of Portland. If all goes well, say ODOT officials, the method may be adopted on a more frequent basis.
The Sonoma County Board of Supervisors on Jan. 24 approved a runway improvement and extension project as well as an airport expansion plan for the Sonoma County-Charles Schultz Airport, which is located in the heart of California wine country about 75 miles from San Francisco International Airport.
Image by Maharashtra State Road Development Corp Mumbai's rail and roadway development is constrained by the island city's geography. Image courtesy Stup Consultants This potential design for the Mumbai Trans-Harbour Link bridge was submitted in 2005. India’s longest sea-link project is drawing international bidder interest. The 14-mile Mumbai Trans-Harbour Link bridge will connect Sewri, located in the northeast of Mumbai, to Nhava Sheva, located in Navi Mumbai, across Thane Creek, an Arabian Sea inlet.Due to Mumbai’s geographic isolation on a collection of islands, India’s largest city has limited expansion options for rail and road corridors. Being developed by the Mumbai