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Best Highway/Bridge: Sarah Mildred Long Bridge Replacement 900 550 McNary Bergeron & Associates
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Best Highway/Bridge: Sarah Mildred Long Bridge Replacement

Owners: Maine Dept. of Transportation; New Hampshire Dept. of Transportation Lead Design Firms: Hardesty & Hanover; FIGG Engineering General Contractor: Cianbro Corp. Construction Engineer: McNary Bergeron Engineering Support: Structural Technologies Subcontractors: Case Foundation (Drilled Shaft); Shaw Brothers Construction (Earthwork); Atlantic Coast Dismantling (Demolition); Panatrol (Automation & Controls) A key feature of this project is what the team says are the first…

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Design-Build Team Erects Twin Bridges in Vermont 727 550 McNary Bergeron & Associates
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Design-Build Team Erects Twin Bridges in Vermont

Crews picked concrete precast girders as heavy as 93.5 tons from a deteriorated bridge over the Williams River and transferred them to the first of two Vermont Interstate 91 bridge replacements, illustrating a unique approach that took a lot of coordination and planning. The $50-million I-91 Rockingham Bridge project will replace two aging steel truss…

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Platform Spans Manhattan

Innovative launching gantry sets 2400-ton beams to create platform spanning 15 rail lines for high-end development in the sky. A temporary protection platform was built over the rail lines, which served as the underslung bed from which the launching gantry was assembled and began setting beams.

https://mcnarybergeron.com/platform-spans-manhattan/
Platform Spans Manhattan 150 150 McNary Bergeron & Associates
Harbor Bridge construction tour 1804 1014 McNary Bergeron & Associates
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Harbor Bridge construction tour

Exploring new heights: KRIS 6 News attends Harbor Bridge construction tour Business leaders and members of the media took to new heights for a private tour of progress on the new Harbor Bridge Project. When complete, the bridge will be the longest cable-stayed span in the U.S. and Canada. KRIS 6 News reporter Emily Hamilton got a…

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East Side Access: Manhattan Caverns

One of the largest transportation infrastructure endeavors ever undertaken in the United States, the mega project will provide new Long Island Rail Road service to Manhattan’s East Side with an eight-track expansion beneath Grand Central Terminal. GRAND CENTRAL TERMINAL IS NOT wanting for superlatives. Host to more than 750,000 visitors and commuters each day, the…

http://mcnarybergeron.com/wp-content/uploads/2019/05/Metals_Winter2018_V10Web.pdf
East Side Access: Manhattan Caverns 1266 1216 McNary Bergeron & Associates
2017 Award of Excellence: Manhattan West Platform 977 577 McNary Bergeron & Associates
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2017 Award of Excellence: Manhattan West Platform

New York City is one of the most densely populated areas in the world. Containing a population of more than 8.5 million, the city has about 28,000 people/mile2 (10,800 people/km2), a ratio that seems destined to increase. In fact, people keep knocking at the door of the Big Apple to find a place to live…

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BRIDGE CONSTRUCTION
Roll-in along Crews use innovative way to deal with arches in R.I. 1422 1062 McNary Bergeron & Associates
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Roll-in along Crews use innovative way to deal with arches in R.I.

Construction of the $81 million New Pawtucket River Bridge is complete and on time largely due to innovative means and methods implemented at the 11th hour. Four months behind schedule with a project completion date less than one year away, the joint venture (JV) of S&R Corp. and Pihl Inc. adapted, accelerated and opened the…

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Pawtucket River Bridge
Innovation Smooths Snags On Rhode Island Project 1608 984 McNary Bergeron & Associates
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Innovation Smooths Snags On Rhode Island Project

ROLLING ALONG New steel arches for a new Pawtucket River Bridge were rolled and jacked into place in a scheme devised to shave time off a project delayed by difficult access conditions and other issues. An $81-million steel arch bridge project, now in its third year and third phase, has featured both high­ fives and…

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Bridging El Rodeo – Bridges to Prosperity – Nicaragua 2012 1774 924 McNary Bergeron & Associates
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Bridging El Rodeo – Bridges to Prosperity – Nicaragua 2012

This fifteen-minute documentary gives an all-encompassing perspective of the Bridges to Prosperity volunteer experience. The video features interviews and footage from a 2012 trip to El Rodeo, Nicaragua, where volunteers from Flatiron Construction, Turner Construction and McNary Bergeron built a much-needed footbridge.

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Best Transportation Project – I-5/SR-16 Westbound Nalley Valley Interchange 2048 1536 McNary Bergeron & Associates
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Best Transportation Project – I-5/SR-16 Westbound Nalley Valley Interchange

At the SW bridge casting yard, crews prepare to pick and set the next rebar cage. A completed span on the profiled concrete slab sits behind the rebar cage. Bold engineering changes cut time, maintained traffic and increased long-term maintenance ease on a $114.6-million upgrade of the Interstate 5/State Route 16 interchange in Tacoma, Wash. Guy…

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Precast Concrete Pier Shells in Segmental Bridge Design 1936 2592 McNary Bergeron & Associates
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Precast Concrete Pier Shells in Segmental Bridge Design

In precast concrete segmental balanced cantilever construction, the pier segment is most often produced in a casting yard and erected on bearings and falsework. Alternatively, cast-in-place concrete pier segments have been utilized for longer spans or in areas of high seismicity where a monolithic connection to the column provides a more economical substructure design. Precast…

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Corporate Social Responsibility

http://mcnarybergeron.com/wp-content/uploads/2019/05/2010-Sept-Structures-Editorial-Bang.pdf
Corporate Social Responsibility 2335 1306 McNary Bergeron & Associates

U.S. Route 17 Washington Bypass

New construction system protects environmentally sensitive areas. Constructing the new Washington Bypass, an upgraded alternative route for U.S. Route 17 in Beaufort County, N.C., created unique challenges beyond traditional bypass construction. The $192-million project, encompassing 6.8 miles of roads, includes two major interchanges and bridges that span environmentally sensitive lands. To meet the variety of…

http://mcnarybergeron.com/wp-content/uploads/2019/05/washington_rt17_fall08.pdf
U.S. Route 17 Washington Bypass 1560 1210 McNary Bergeron & Associates
Norridgewock Bridge Construction
Promising walk-on 2560 1920 McNary Bergeron & Associates
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Promising walk-on

The emotional send-off was all one needed to see to fully understand the deep connection between a town and its 80-year-old bridge. On Sept. 20, Norridgewock, Maine—a town of roughly 3,300 people located along a bend in the Kennebec River, some 90 miles northwest of Portland—bid farewell to the Norridgewock Bridge. In an event dubbed…

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Built to Resist the Big One

This is a bridge for the record books. Now nearly complete, the San FranciscoOakland Bay Bridge Skyway is a world class concrete structure for several reasons: Its precast girder segments are some of the largest bridge segments ever built in the world. The huge segments weigh 300 to 800 tons, whereas more typical segments weigh…

http://mcnarybergeron.com/wp-content/uploads/2019/05/SFOBB.pdf
Built to Resist the Big One 332 498 McNary Bergeron & Associates

Precast Segmental Guideway Forges Important Transit Link

When engineers were tasked with the assignment of designing the last link in the new Seattle Sound Transit light rail system, they already had a model to work from. The same group had recently completed a similar project in Vancouver, British Columbia, Canada. “Conceptually, we looked at a lot of different possibilities for the project,…

http://mcnarybergeron.com/wp-content/uploads/2019/05/Seattle_Sound_Bridge_fall07.pdf
Precast Segmental Guideway Forges Important Transit Link 2592 1944 McNary Bergeron & Associates

Segment Setter Blazes New Trail on Turnpike

Speed, economy, and minimal disruptions are key ingredients for first vehicular concrete segmental bridge built in Keystone State. Officials at the Pennsylvania Turnpike are finishing the state’s first vehicular segmental concrete bridge, to be opened in May. The mile-long structure provided a variety of benefits, including speed of erection and a construction approach that provided…

http://mcnarybergeron.com/wp-content/uploads/2019/05/susquehanna_spr07.pdf
Segment Setter Blazes New Trail on Turnpike 1280 960 McNary Bergeron & Associates
Washington Bypass
Take ‘One Bite At A Time Out Of The Elephant’ Says Father Of Pile-Driving Gantry Concept 1600 1044 McNary Bergeron & Associates
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Take ‘One Bite At A Time Out Of The Elephant’ Says Father Of Pile-Driving Gantry Concept

Elie H. Homsi will never forget the first day that his brainchild, a pile-driving, girder-launching gantry system, went to work on a $192-million contract to build the Washington Bypass, a six-mile alternative route to Highway 17 in North Carolina. “Next to my children being born, it was the most exciting thing in my life,” says…

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