Seismic in St. Louis
Following collapse of sections of the double-deck I-880 Cypress Viaduct in the 1989 Loma Prieta earthquake, the Missouri Department of Transportation initiated a seismic evaluation and...
A Bridge for the 21st Century
The authors write about the cable spinning process used in the Great Belt East Bridge project in Denmark. The bridge, when completed, will be the largest suspension bridge in the world....
New Uses for Old Bridges
As historic bridges age, they are often rendered useless by modern load requirements and codes. Many had been abandoned or demolished. In 1991, however, the ISTEA created new provisions...
Permanent Runoff Controls
The Center for Research in Water Resources at the University of Texas, Austin, Texas, conducted tests showing that grassy swales can remove pollutants from highway runoff. Many pollutants...
Scandinavia's International Connection (Available only in Structural Engineering Special Issue)
The 7.8-km-long cable-stayed �resund Bridge, the centerpiece of the first road and rail link between Scandinavia and Europe, is the third and final link of the 15.8 km Oresund Link. The...
An Evaluation of Laboratory Test Results for the U.S. Gypsum Sight and Sound Screen System
The highway innovative Technology Evaluation Center (HITEC) serves as a clearinghouse for implementing highway innovation by providing nationally focused, collaborative evaluations of...
Saving the Bluffs: Engineering at the Edge
Erosion and landslides along the bluffs bordering the Mississippi River in Natchez, Miss. became an emergency situation when the only road to residents below the bluff was cut off from...
Grand Gusset Failure
In May 1996, structural failure forced the closure of twin 850 ft long arched truss bridges, each carrying two lanes of interstate traffic over the Grand River, 30 mi east of Cleveland....
Calendar: Bridges 1998 Calendar
Featured bridges are: C&O R.R./Lafayette Street Underpass Bridge (VA); Clear Creek Bridge (UT); Stoneman Bridge (CA); Marble Fort Bridge (CA); Rocky Mountain Viaduct (VA); Smokemont...
Highway Systems
This section provides an overview of highway systems and their components and operations. Also present is a guide for a post-earthquake investigation of highway systems....
Saving Scotland's Busiest Bridge
The world's most extensive bridge monitoring system has been installed on Glasgow's Kingston Bridge so that the engineers can prevent collapse during a long-term...
San Francisco Bay's Jeweled Necklace (Available only in
When one looks at a map of San Francisco Bay, three bridges stand out to form a link around the central part of the Bay. At night, it takes little imagination for one to see the lights...
Preserving Williamsburg's Cables
The main-cable preservation project of New York's Williamsburg Bridge has to protect the cable system for at least 100 years. After extensive field tests, engineers devised...
Perfecting Bridge Inspecting
The Massachusetts Highway Department has improved the safety of its bridges and increased its productivity by using networked multimedia to gather and store a variety of data about bridges...
Bridge Over the River Karnali
Just as topping Nepal's Mount Everest requires great stamina from mountain climbers, building the Karnali River Bridge in a remote region of western Nepal required six years...
Intelligent Transportation Education
The comprehensive traffic surveillance study for the New York State Thruway Authority (NYSTA) began in late September 1993. The project involved the study of available traffic management...
Returning Veteran
The Veteran's Memorial Bridge on the Cuyahoga River is a vital link in the transportation system of Cleveland and a gateway to the city's downtown area. But time...
Asphalt Update
Of the $150 million spent in the five-year Strategic Highway Research Program (SHRP), $50 million went to research to improve the durability and cost-effectiveness of asphalt pavements--on...
Cable Corrosion in Bridges and Other Structures:
Causes and Solutions
This book provides the reader with basic facts concerning cable corrosion and means to avoid or rehabilitate corrosion damage. Corrosion problems associated with cable-supported structures...
Historical Development of Bridge Scour Evaluations
Scour of bridge foundations (piers and abutments) is the largest single cause of bridge failures in the United States. Conversely, uncertainties of the scour depth at bridge piers and...
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