hree of the nation’s largest and most T noteworthy bridge construction projects are being erected in the City region. Each demonstrates the potential of inter-modal TRIPLE THREAT: transportation planning to maximize infrastructure capacity and investments, increases safety and relieves ever-increasing congestion. New Bridges The agencies responsible for these projects—the Authority’s Gov. Mario M. Cuomo Bridge, the Port Authority of New York and ’s Goethals Bridge replacement Rise from New project and the New York State Department of Transportation’s —are utilizing leading-edge design, procurement, construction York's Waters and financing/funding models. Each of these structures utilizes the design-build procurement model and has a visually striking cable-stayed design, ensuring their place among the existing icons of and the surrounding region. HNTB Corporation also is Structures aim to improve mobility and connect playing an essential role in each project. New York City’s transportation network with the future.

18 | www.transportationbuilder.org March/April 2018 Kosciuszko Bridge that called for the construction and After performing preliminary demolition to be complete by the end of engineering, HNTB became the The Kosciuszko Bridge has the 2017, 43 months from notice to proceed. Authority’s technical adviser for the P3 distinction of being not only the first HNTB completed the design in nine agreement and development of technical cable-stayed bridge ever built in New months instead of the 12 to 14 months requirements, and then was kept on York City, but also the first new bridge of typically required for such a complex board to provide design, construction any kind constructed in the Big Apple in project. Overall, design-build saved and compliance oversight for the project. 50 years. It opened last April, replacing three to four years on project the structurally deficient, 1939-era completion. The bridge’s southern span opened in Kosciuszko Bridge, which was designed June 2017. It eventually will carry to serve 10,000 vehicles daily, but Goethals Bridge eastbound traffic, but now has vehicles ended up carrying 18 times that many moving in both directions while the other bridge is completed. It is expected to as part of the - The new, $1.58 billion Goethals Bridge open later this year. Expressway/. – two parallel, cable-stayed spans that join Elizabeth, New Jersey, to Staten Each alignment will consist of three To replace the old bridge, the New York Island, New York – is the first new 12-foot lanes, a 12-foot right shoulder State Department of Transportation long-span bridge the Port Authority of and a 5-foot left shoulder. The northern (NYSDOT) has been building twin New York and New Jersey has built in structure also will include a 10-foot cable-stayed spans in two phases. 80 years. The Authority determined that shared-use for pedestrians and Phase 1 demolished the existing bridge it would replace the existing bridge bicyclists. The bridge is designed to and delivered the new Queens-bound under a public-private partnership support public transit between the two bridge, which features five standard- agreement. width lanes and two full-width shoulders. parallel structures, should it be deemed relevant in the future. It will carry traffic in both directions until Using a design-build-finance-maintain phase 2 delivers the Brooklyn-bound P3 methodology, the Authority could structure, which is expected to be ready transfer the project’s design, Gov. Mario M. Cuomo in the summer of 2019. At $555 million, construction, financing and long-term it represents the largest single contract asset management risks to the Bridge NYSDOT has ever awarded. developer, who assumed responsibility The New York State Thruway Authority’s for maintaining the new bridge for 35 new Governor Mario M. Cuomo Bridge Under a design-build delivery model, years. which required legislative approval, replaces the Tappan Zee Bridge. That NYSDOT set an aggressive schedule deteriorating structure, which opened in

Goethals Bridge Kosciuszko Bridge

March/April 2018 www.transportationbuilder.org | 19 1955, had outlived its 50-year life Authority tapped HNTB as owner’s massive segments of the bridge off-site. expectancy, and was bearing some engineer to supplement existing staff and They are installed with one of the world’s 40,000 more vehicles daily than it had ensure quality in the design-build largest floating cranes, which can lift up been designed to carry. The already- delivery. Co-located with Authority staff to 1,900 tons of material at once. congested span had no emergency on site and at two remote locations, lanes, so accidents or stalled cars HNTB monitors the design-builder’s work The new westbound alignment created dangers for drivers as well as and audits and verifies the contractor’s temporarily carries all traffic from the old enormous bottlenecks. quality-assurance and construction Tappan Zee, allowing the contractor to operations. The role also includes demolish the old bridge’s landings and Construction began in 2013 on the new managing discrete project elements, complete the second span later this year. 3.1-mile, twin-span, cable-stayed bridge, such as environmental mitigation. The bridge is projected to carry 50 which crosses one of the widest parts of million vehicles per year and has a the Hudson River between Rockland and Each of the new spans will carry four 100-year lifespan that reduces the Westchester counties. It represents the general traffic lanes, a dedicated bus Authority’s life cycle maintenance costs. largest single civil contract ever in New lane and emergency shoulders. The York and will be the largest bridge in the westbound span, which opened in state’s history. August 2017, will also include a 12-foot- This story was submitted by ARTBA wide bike and pedestrian path. The member HNTB and features content Before the $3.98 billion bridge project, bridge is equipped with state-of-the-art that has appeared in the firm’s the Thruway Authority’s largest work had traffic monitoring systems and all- “Designer” magazine. The photos been a $200 million project. The electronic tolling. Designed and accompanying the story are by Andy constructed to be public-transit-ready, Ryan, courtesy of HNTB. the new crossing will accommodate future light rail or commuter rail. ARTBA member firms wanting to contribute content about their major Eight 419-foot towers support the transportation construction projects Top 10 States with bridge’s main span. The towers, in turn, should contact Editorial Director Mark support 192 stay cables. Modular Holan at [email protected]. construction has allowed the contractor, Most Structurally Tappan Zee Constructors, LLC, to build Deficient Bridges

Iowa: 5,067 Pennsylvania: 4,173 : 3,234 Missouri: 3,086 Illinois: 2,303 : 2,258 : 2,115 Mississippi: 2,008 North Carolina: 1,854 New York: 1,834

See a nationwide map of U.S. structurally deficient bridges in The Last Turn feature on page 34. State- and congressional district-specific information and other details from ARTBA’s analysis are available at www.artbabridgereport.org. Gov. Mario M. Cuomo Bridge

20 | www.transportationbuilder.org March/April 2018