Bridge Coatings
Philadelphia’s Vine Street Expressway, part of I-676, is a 1.75-mile limited-access highway traveling east-west across the northern edge of the city’s central business district.
The expressway connects I-95 and I-76, and was designed to easily move traffic between the surrounding counties in...
When inspections of Maryland’s William Preston Lane Jr. Memorial Bridge, also known as the Bay Bridge, revealed that conventional cable corrosion protection systems in both eastbound and westbound spans were no longer effective, the Maryland Transportation Authority (MDTA) took a proactive approach...
Article
March 12, 2008
The last time Wildcat Construction Co. repaired the I-135 bridge in Wichita, Kan., more than 20 years ago, it took nearly two years, and lanes were closed or diverted both day and night. This past summer, the repair project took about two months, and daytime traffic flow was never diverted.
The...
Article
May 09, 2005
The Poplar Street bridge across the Mississippi River in St. Louis, Mo., is an orthotropic steel-plate deck bridge. It carries three major interstate highways, I-70, I-64 and I-55, across the Mississippi River at St. Louis. Approximately 130,000 vehicles including about 15,000 large trucks use the...
Article
May 09, 2005
The Poplar Street bridge across the Mississippi River in St. Louis, Missouri is an orthotropic steel-plate deck bridge. It carries three major interstate highways, I-70, I-64 and I-55 across the Mississippi River at St. Louis, Missouri. Approximately 130,000 vehicles including about 15,000 large...
Article
September 09, 2004
Named after one of America’s most famous iron workers, who gained notoriety after surviving a fall from the Golden Gate Bridge in 1936 and died in 2000 at age 95, the Al Zampa Memorial (New Carquinez) Bridge is the first major suspension bridge to be built in the U.S. for nearly 40 years.
With a...
Article
May 20, 2004
For over 40 years the U.K. Highways Agency has used waterproofing products to protect bridges and reduce the need for costly structural repair and maintenance. Many other world government agencies are now following in their footsteps.
In brief, concrete or steel structures situated in any climate...
Article
November 14, 2003
Completed in 1936, New York City's Triborough is a mature
bridge now undergoing a multi-year, multi-million dollar reconstruction project
to ensure many more years of service to the eight lanes of traffic that throng
it daily. The giant bridge connects the boroughs of Manhattan, the Bronx and...
Article
September 25, 2003
For more than 100 years steel bridges have been erected
throughout the world--fascinating structures with wonderful histories like the
Brooklyn Bridge in New York and the Golden Gate Bridge in San Francisco.
Structures that families put their blood, sweat and tears to erect, and states
and cites...
Article
April 16, 2003
Eight feet. That's how far Manhattan Bridge swings from one
extreme to the other when a subway train crosses. The train tracks are on the
outside of the bridge, with a lower roadway between them and an upper roadway
above them on each side.
"They placed the subway tracks on the outside instead
of...
Article
March 18, 2003
When it was built in 1932, Cleveland's art deco-style Hope
Memorial Bridge was hailed as one of the most beautiful bridges constructed
that year. The historic landmark bridge spans the industrial Cuyahoga River
Valley and is one of four major viaduct bridges that connect the east and west
sides of...
Article
September 19, 2002
Corrosion of rebar has proven to be one of the leading
causes of premature failure of concrete structures. Moisture wicks its way into
just about anything, and concrete is no different. Galvanized rebar is an
economical and effective way to eliminate this problem.
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Article
February 18, 2002
Scheduled for completion late in 2002, a project to widen the San Mateo Bridge over California’s San Francisco Bay could guide future transformations of 20th century bridge spans to handle the traffic volumes of the 21st century. And it could demonstrate how advanced elastomeric coating...
Article
November 28, 2001
The contractor has to warranty his work anyway, right? The reason is that certified independent inspection services can save hundreds or even thousands of times their cost by ensuring that the job is done right—which can translate into many years of extra life. Here’s an example of how inspection...
