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The Confederation Bridge is one of the world’s longest continuous prestressed concrete box-girder bridges built over seawater, and is the longest span ever built over ice-covered water. It stretches 13 km from Borden, on Canada’s Prince Edward Island, to Cape Tormentine, New Brunswick....
Case Studies
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The Stearns County Department of Transportation relied on the Spectra Roadway Improvement System to treat a 2.5-mile-long section of weak subgrade. County State Aid Highway (CSAH) 115 had been repaved and patched repeatedly over a 20-year period. Each time the repairs quickly degraded, causing the...
Products
The new 344J wheel loader (Circle 902) from John Deere, Moline, Ill., is able to move more material more quickly than comparable machines—even in crowded jobsites. This durable wheel loader also provides many uptime-boosting features found in larger loaders, as well as time-saving conveniences that...
Compaction Products
Ingersoll Rand of Davidson, N.C., provides earthmoving power with two compact wheel loaders: the WL-350 and the WL-440. The wheel loaders combine several innovative features for exceptional performance in building, landscaping, rental and utility applications, as well as general construction and...
Products
Two new Caterpillar H-Series medium wheel loaders—the 966H and 972H—feature key changes to boost productivity and reduce owning and operating costs. The Peoria, Ill.-based Caterpillar offers new engines featuring ACERT technology and provide increased power and U.S. EPA Tier 3 emissions compliance...
Products
Komatsu America Corp., Vernon Hills, Ill., has introduced the new WA600-6 wheel loader, the first Komatsu wheel loader equipped with a Tier 3-compliant engine. The 118,385-lb WA600-6 is designed primarily for quarry, sand and gravel, industrial and smaller mining applications. The WA600-6 (Circle...
Products
The new Case E-Series wheel loaders—the 721E, 721E/XT and 821E—feature a new cab for enhanced operator comfort and best-in-class maintainability and serviceability. The new Case E-Series wheel loaders (Circle 908) are powered by fully electronic 6.7-liter Tier III-certified Case engines that...
Products
The next generation of wheel loaders is upon us as Liebherr, Newport News, Va., introduces new fuel-efficient, productive wheel loaders with tipping loads over 33,000 lb—the Generation 6 loaders (Circle 905). The introduction of the new models, L566 and L580, coincides with the implementation of...
Case Studies
Nearly 18 months ago, Terex Roadbuilding unveiled its latest paving innovation—the Terex CR662RM RoadMix material transfer vehicle (MTV)—to thousands of road-building contractors at ConExpo-Con/Agg 2005. This machine represented a new generation of MTV, designed to deliver both continuous paving...
Case Studies
Supervisory management leaders of Jackson County, Mo., took the initiative to remove some potential personnel and equipment operation problems with the introduction of standardized training for county highway and heavy equipment operators. As in many city, town, county, state and other municipal...
Products
This project sought to improve roadway conditions through the improvement of the existing roadway geometry, signalization at ramp intersections, construction of turning lanes at ramp intersections, widening and realignment of ramps, pavement and bridge reconstruction. Location: York County, Pa.Cost...
Bridges Products
This bridge will rise 90 ft above the ground at its highest point. It is the focal point of a project that will reduce congestion in one of the fastest-growing counties in the U.S. The contractor had to work around several endangered species and work within a limited footprint. Location: Lemont,...
Bridges Products
The designer included special architectural treatments in the bridge’s design, including arch-façade panels. Mussel surveys that protected habitat in the project site also were conducted. The historic site was temporarily covered during construction so equipment could pass through without damaging...
Safety Products
Perhaps the most complex on the Top 10 list, the job improved a steep and narrow two-lane roadway that consisted of 9- to 10-ft-wide lanes. Two, 10-hour shifts working seven days a week completed the project in 30 days. Location: Pima County, Ariz.Cost: $524,000 Length: .5 miles Designers: MMLA...
Products
A busy interchange in close proximity and intersecting with two major arterials, work consisted of demolishing and rebuilding two freeway bridges and one overpass at their existing locations. Location: Reno, Nev.Cost: $56.6 million Designer: CH2M HillOwner: Regional Transportation Commission of...
Bridges Products
This open-spandrel concrete arch is the only highway bridge of its kind in Vermont. The bridge has precast/prestressed concrete box beam approach spans made of high-performance concrete. The concrete deck is protected from deicing salts by a membrane system. Location:Colchester/South Burlington,...
Products
They sat like two stags at a dance party. For well over a decade, a pair of obese and stiff bridge columns looked lonely and desperate for action as traffic did all the shakin’ and moving on I-55 in the Chicagoland area. The Illinois Tollway thought it had the perfect plan. As construction was...
Products
Speed and precision gave life to this project. Crews poured over 600 cu yd of concrete in less than 10 business days through downtown Denver. Location: DenverCost: $570,000 Length: 1 city block Designer: City and county of Denver Owner: City and county of Denver
Products
A 2,072-ft-long trestle bridge over wetlands and the Sawmill Slough environmental area is the centerpiece of this job. The bridge will be built on concrete girders instead of embankment. It is 20 ft above the ground and will prevent lasting damage to the wetlands. Location: Jacksonville, Fla.Cost...
Products
The most complete on the Top 10 list, this project calls for the reconstruction of 13 bridges and the addition of 17.5 miles of HOV lanes. Crews also will add 11 miles of new Collector Distributor lanes. Location: Gwinnett County, Ga.Cost: $147 million Length: 28.5 lane milesOwner: Georgia DOT...

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