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Bridges

Welcome to the Bridges Channel, a special feature that provides the user an in-depth look at the bridge industry. This section offers several areas to explore: product spotlights, article archives, related case studies, related video and product/supplier contact list. The product spotlights contain information and photos of equipment relevant to the industry. The article library contains all stories related to bridges pulled from the rich archives of Roads & Bridges magazine.

News September 23, 2014
The Pennsylvania Department of Transportation (PennDOT) announced the launch of an ambitious public-private partnership (P3) campaign this week to replace 558 structurally deficient bridges across the state by 2018. Contracts will be awarded in October and the department plans to begin construction...
News September 19, 2014
First came the flood, and now comes the dust and debris.   The Detroit area was forced to deal with Mother Nature head on last week when torrential rain caused flooding and closed major highways across the region. On Sept. 19, crews will be taking down the southbound lanes of the Woodward Avenue...
Case Studies September 17, 2014

Phase I work involved the erection of four girder lines for a three-span section, four girder lines for a single-span section and 31 precast concrete beams.

The time had come. The Illinois Department of Transportation (IDOT) had found the 55-year-old Ohio Street feeder, part of Chicago’s Kennedy Expressway, in need of complete replacement. The interchange had to be demolished and a new bridge constructed in a complex, $16.5 million multiphase project...
Case Studies September 12, 2014

The Madera County Road Department opted for slip-lining over dig and replace due largely to the depth of fill over the culvert and limited options for rerouting of traffic.

Madera County in California’s central valley had a problem faced by hundreds of municipalities across the country: aging, deteriorated culverts on the verge of failure.   Considering his best options, Madera Road Commissioner Bradley Phillips turned to Snap-Tite, and his own crew, to begin the...
Article September 11, 2014
The California Department of Transportation (Caltrans) manages a complex network of highways and bridges traversing snowy mountain passes, coastal areas, urban centers and barren deserts.   The magnitude of this transportation system, diverse use characteristics and variable climatic regions make...
Article September 09, 2014
When the original design for an overseas bridge does not satisfy the concerns of the host nation, it is time for the engineering firm to develop an innovative solution.   That is what HNTB Corp. did in the case of a bridge that was built to link the U.S. Navy Support Activity Base to the U.S. Navy...
Article September 09, 2014
To learn about the bridges of Chongqing, we first need to know a few facts about China.   China’s total land area of 3.7 million sq miles is about the same as the U.S. However, its total arable land of about 0.55 million sq miles is less than the U.S.’s 0.68 million sq miles. Of the U.S.’s 317...
News September 08, 2014
The Vermont Agency of Transportation is thinking outside the box to reduce the number of structurally deficient bridges in the state, utilizing a longer-lasting design that can be built quicker than traditional methods.   When the bridge over the Wanzer Brook in Fairfield needed replacement last...
Article August 29, 2014

The Mulberry Street Bridge has undergone some major renovations in its 105-year existence, including replacement of the bridge deck in 1957 and replacement of the expansion joints at the piers in 1982.

When all is said and done, the Mulberry Street Bridge will look good as new—at 105 years old.   That’s how long the iconic, 18-span concrete arch structure has served Harrisburg, Pa., as the primary link between the Allison Hill neighborhood, the Harrisburg Transportation Center and downtown. And...
Products August 27, 2014
Bridge lifting and repositioning with synchronous lifting & hydraulic cylinders rentals!   Cut cost on your next bridge project by renting hydraulic cylinders (single or double-acting)—and for ultra-precision lifts, you can also rent the synchronous lifting system. With an accuracy of 0.040 in...
News August 25, 2014
The northbound lanes of I-495 through Wilmington were reopened to traffic over the weekend following the successful realignment of the I-495 Bridge spanning the Christina River, Delaware Secretary of Transportation Shailen Bhatt announced. The southbound lanes were reopened July 31. This means...
Article August 05, 2014
It all comes down to money—or lack of it.   State transportation CEOs from across the nation were in agreement on that point in Louisville, Ky., site of the 2014 American Association of State Highway & Transportation Officials (AASHTO) Spring Conference. The federal Highway Trust Fund is...
News August 05, 2014
State Route 520 Eastside Transit and HOV Project crews will be hard at work over this coming weekend as they place asphalt on new ramps and stripe the freshly paved lanes east of the S.R. 520 bridge. Beginning Friday night, Aug. 8, all S.R. 520 lanes across Lake Washington will be shut down in both...
News July 31, 2014
A new international agency will oversee the planned new Detroit-Windsor border crossing.   Canadian Transport Minister Lisa Raitt and Michigan Gov. Rick Snyder announced yesterday that a new entity, the Canada-Michigan International Authority, is being formed and will manage land acquisition,...
Products July 30, 2014
Superior aesthetics, proven engineering and fast installation make Redi-Rock retaining walls a great choice for road and bridge projects. Thousands of tall gravity walls and even taller reinforced walls have been built in North America since 2000. Learn more about the Redi-Rock system at www.redi-...
News July 25, 2014
With the contract for the West Approach Bridge North Project awarded, crews are one step closer to breaking ground in Seattle on the S.R. 520 Bridge Replacement and HOV Program. The 6,100-ft-long structure will carry traffic across the westbound lanes of S.R. 520 from the new floating bridge to...
Videos July 22, 2014
Modjeski and Masters kept rail, marine and highway traffic moving in a busy Virginia shipping corridor by designing a 5 million pound lift span that was built offsite and floated it into position on a giant barge. This short video offers fascinating behind the scenes insight from designer, owner,...
News July 18, 2014
The collapse of an interstate highway bridge that was struck by a truck carrying an oversize load was ultimately caused by a series of deficiencies in a system intended to safeguard the passage of oversized loads over Washington state's roadways, the National Transportation Safety Board determined...
News July 09, 2014
The work to construct new underground foundations for the damaged portion of the I-495 bridge is nearing completion and the construction of the jacking towers that will be used to temporarily repair the I-495 bridge has begun. Building the jacking towers at this point in the project means the work...
Article July 08, 2014
Some people believe that a replacement can never substitute properly for an original. History teaches us otherwise.   For when it comes to the replacement for the Gerald Desmond Bridge, nothing could be further from the truth. Though the new bridge will be a replacement, technically, it provides...
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