Northern Exposure
Traffic growth on a Massachusetts highway leading to New Hampshire called for new lanes and replacement of all of the bridges. Wide medians aided the work; narrow ones complicated matters....
A New Identity
By repairing and relocating steel trusses, replacing deteriorating approach spans, and replacing what, at the time of its construction, was regarded as a daring concrete truss, engineers...
Bridge and Tunnel Security
The American Association of State Highway and Transportation Officials and the Federal Highway Administration recently convened a panel of esteemed researchers and experts in bridge and...
Outside the Box
Employing an innovative design that made construction quick and economical, the box girder structure carrying Highway N-2 over interstate 80 near Grand Island, Nebraska, became the first...
Bridge to the Future
The final component of Thailand's new Outer Bangkok Ring Road, the eight-lane cable-stayed Chao Phraya River Bridge, will not only alleviate Bangkok's notoriously...
Evaluation of the CON-ARCH reinforced Concrete Buried Arch System
Final Report
This report summarizes the evaluation of the Con-Arch culvert system marketed by Hunter Contracting, Co. of Tucson, Arizona. The evaluation consisted of computer analysis and field testing of two Con-Arch...
Calendar: Bridges 2005
Featured bridges are: Leonard P. Zakim Bunker Hill Bridge (NY); Ha.penny Bridge (Ireland); Monkey Bridge (Singapore); Bixby Creek Bridge (CA); Clifton Suspension Bridge (UK); London's...
Overview of Long-Span Bridge Assessment History
This section gives a brief overview of long-span bridge assessment history. Also included are a few cases of long-span bridge failure and lack of assessment....
Review of Bridge Performance and Its Parameters
This section contains a review of bridge performance and its parameters. Topics include definition of lifetime performance and kinds of functioning for bridge performance....
Compiled Database on the Long-Span Bridges
This section briefly discusses the database that was created in order to establish the number and types of all the vital long-span bridges in the USA....
Delineation of Six General Performance Assessment Categories
This section delineates six general assessment categories for long-span bridges....
Performance Assessments of Other Essential Bridges
This section provides a brief statement on long-span bridges outside the scope of this study....
Main Conclusions and Recommendations
This section briefly comments on main conclusions and recommendations for engineering assessments of long-span bridges....
Subsequent Actions for Capturing, Improving, and Securing Performance
This section briefly comments on the need for follow-up engineering assessment work and coordination in order to achieve the needed accomplishments of capturing the long-span bridge performance...
Design of Isolated Structures
This chapter examines the design of isolated structures. Topics include governing design codes; design of isolated buildings; design of isolated bridges and viaducts; and issues related...
Reconstructed With Precision
Rehabilitating a heavily traveled crossing while traffic continues to flow is a complicated endeavor. Add the attention to detail required to preserve the character of a historic 1920's...
Guidelines for Forensic Engineering Practice
Sponsored by the Forensic Engineering Practice Committee of the Technical Council on Forensic Engineering of ASCE. This report provides the fundamentals...
Pressure Relief
When the two basins making up a 90 acre reservoir in New York needed to be emptied and cleaned, engineers decided to use the 2,750 ft (840 m) long concrete wall dividing them as a dam....
Building the Olivenhain
Engineers in California were hired to create a reservoir capable of providing the San Diego region with 24,000 acre-feet of water during an emergency shortage. The result is the Olivenhain...
Observations on Low-Speed Aeroelasticity
A brief history of developments in the field of low-speed aeroelasticity is provided in the context of application to long-span bridge structures. The paper begins with summary of some...
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