Storrow Drive, a parkway along the Charles River in Boston, carries more than 100,000 vehicles per day. The tunnels provide access to city streets, and are constructed of reinforced concrete sections with concrete-slab roofs that are supported by...
The elevated section of Route 203, known as the Casey Overpass or Bridge No. B-16-367, carried the Arborway over Washington and South Streets in Boston’s Jamaica Plain neighborhood. The Casey Arborway Project involved removing structurally...
With the SR 520 Floating Bridge and Landings Project, the Washington State Department of Transportation replaced the existing floating bridge, also known as the Governor Albert D. Rosellini or Evergreen Point Floating Bridge, over Lake Washington...
The New York City Department of Transportation planned to rehabilitate the Brooklyn Bridge in time for the Brooklyn Bridge centennial. The renovation procedures called for the strands of the main suspension cable to be geometrically...
The General Edwards Bridge is a multiple-span steel-girder bridge over the mouth of the Saugus River where it flows into the Atlantic Ocean. The central moveable span over the main navigation channel is a four-leaf, rolling-lift, bascule girder...
Constructed in 1973, the westbound structures of the William Lane Memorial Bridge carry three lanes of U.S. Route 50 across the Chesapeake Bay. During an overlay project at the bridge, Maryland Transportation Authority (MdTA) inspectors found...
Once a reservoir for industrial dumping, the man-made Charles River Basin is now a renowned waterfront park serving as the setting for a famous rowing regatta, the Head of the Charles. As part of the Charles River Basin Synchronization Study team...
Following the 1989 Loma Prieta earthquake, the Golden Gate Bridge District conducted a seismic evaluation of this iconic span located less than 3 mi from the San Andreas fault. The District determined the bridge could not reliably survive a...
For integral abutment bridge (IAB) design, there is no consensus on the preferable orientation of the piles supporting the abutment, although variations can affect overall bridge behavior and forces in the piles. This paper details a parametric...
Waterproofing systems installed on bridge decks, elevated parking decks, and similar structures often have paving systems over them to protect the waterproofing and to provide a surface suitable for vehicular traffic. Vehicular loads are...
By: Rosalind Imbaro, Masoud Sanayei, Alexandra J. Reiff, Brian R. Brenner
Abstract: This paper presents a comparison of three methods used to load rate the Powder Mill Bridge based on the load and resistance factor rating (LRFR) approach. This is a typical three-span continuous bridge with steel...
Abstract: AASHTO introduced the AASHTO "LRFD Bridge Design Specifications" in 1994. These load and resistance factor design (LRFD) specifications included new provisions for distributing live loads to reinforced concrete bridge decks...
Abstract: Among other pursuits, the late Dr. Robert H. Scanlan worked for nearly 40 years to understand the problem of bridge-deck flutter. This paper presents an overview of his work, with particular attention to the original investigative work...