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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.

Videos October 29, 2014
Watch this time-lapse movie to see a section replacement for the East Span of the Bay Bridge in California, which was performed over Labor Day Weekend 2011.
Products October 29, 2014
The city of Temecula, Calif., recently completed the installation of a 152-ft-long by 47-ft-wide U.S. Bridge Cambridge style, weathering single-span steel truss superstructure that included  2 – 9 ft exterior sidewalks. Click here to see the time lapse video of the bridge being assembled. The new...
Products October 29, 2014
Get ultra-precision lifts on your next bridge project by renting hydraulic cylinders (single or double-acting) and the synchronous lifting system. With an accuracy of 0.040 in. between leading and lagging cylinders, the “sync lift” has an integrated 10,000-psi hydraulic pump and controls.
Case Studies October 24, 2014
Precast deck panels in place

Precast deck panels set in place.

The Georgia Department of Transportation maintains a network of roads and bridges that carry some of the highest traffic volumes in the country, and often employs accelerated bridge construction products when rehabilitating its structures, as was the case in the recent rehabilitation of two...
Case Studies October 17, 2014

Accelerated construction from 17 to 13 days was achieved by the contractor’s hour-by-hour construction plan and 24-hour work schedule.

The Rte. 6 Bridge Deck Replacement Project Team took a hard look at a range of traffic-mitigation scenarios from full closure to a one-lane road with alternating traffic. After assessing cost of delay up to $80,000 per day, an addition of up to 60 minutes of travel time and potential for 3- to 4-...
Videos October 09, 2014
A new span of the I-91 Brattleboro Bridge in Brattleboro, Vermont, replaces structurally deficient and functionally obsolete twin steel truss bridges that were built in 1958. 
Article October 07, 2014
With thousands of bridges, including 53 that cross the Mississippi and Missouri rivers, the Missouri Department of Transportation (MoDOT) will always need to invest in maintenance, repair and replacement of these critical pieces of the state’s transportation infrastructure.   Simply because of age...
Article October 06, 2014
Do not count out those good ole’ boys from L.A. (Lower Alabama) when faced with an obstacle.   Instead of accepting a problem and assuming the easy way out, they view that as a challenge to see how they can get the job done with limited resources.        The Houston County, Ala., Road &...
News October 03, 2014
Caltrans and its contractors have begun work on six emergency contracts to repair damage caused by an Aug. 24 earthquake in Napa and Solano counties totaling $5.3 million. Caltrans engineers and inspectors also continue to work with local agencies to assess and inspect damage affecting local...
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...
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