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WEB5 days ago · Roads & Bridges reports on the road and bridge construction industry in North America with news, application-based features, and expert analysis that cover a range of topics including design, technology, maintenance, materials, and equipment for an audience of engineers, contractors, and government employees from municipalities to …
ASPHALT ANSWERS: Cracking and Raveling | Roads and Bridges
WEBDec. 28, 2000. Cracking and raveling are the two main distress conditions, which are commonly encountered at the longitudinal joints of multi-lane hot-mix asphalt (HMA) pavements. These distresses are usually caused by relatively low density at or near the vicinity of the longitudinal joint. A density gradient exists across a typical ...
Industry News - Roads and Bridges
WEBSep 12, 2024 · IIJA. White Papers. Case Studies. Awards. Top 10 Bridges Top 10 Roads Recycling Contractor's Choice. Products. Asphalt Bridges Concrete Maintenance Safety. Markets. Roads Bridges Maintenance Safety Traffic & Transit.
InRoads Suite - Roads and Bridges
WEBFeb. 5, 2009. Bentley InRoads Suite is the central design solution on many major civil engineering and transportation projects. InRoads offers consistent, discipline-specific design functionality on your choice of CAD platform: MicroStation or AutoCAD. Powerful and versatile, InRoads can be used to address a broad array of project needs, from ...
The gentler of the two | Roads and Bridges
WEBNov 2, 2018 · The gentler of the two. Boston’s 120-year-old North Washington Street Bridge over the Boston Inner Harbor carries 42,000 vehicles per day, heavy pedestrian traffic and numerous utilities from Boston’s North End and West End areas to Charlestown. Among the vehicles crossing the bridge each day are four major bus routes of the Massachusetts ...
Understanding AASHTO LRFD Bridge Design Specs for cast-in …
WEBSep 19, 2018 · By: Chris Gamache, P.E. The AASHTO LRFD Bridge Design Specifications, 8th Edition, was published in November 2017.One change that occurred since the 7th Edition is the reorganization of Section 5, which is the design of bridge and ancillary structures constructed from reinforced concrete.
Major Pittsburgh Road Construction Project Underway
WEBFeb. 19, 2024. Project set to cause closures until early summer. A massive road construction project that in cludes a large portion of McKnight Road in the North Hills of Pittsburgh begins this week, and is set to cause traffic delays in the months to come. The Pennsylvania Department of Transportation (PennDOT) announced the road work will ...
Work zone fatalities at highest level since 2006, new data shows
WEBApr 28, 2021 · In 2019, 842 people died in highway work-zone crashes, an 11.2% increase from the previous year—representing the largest percentage increase of highway work zone fatalities since 2006, according to the Federal Highway Administration (FHWA).. The FHWA joined state Departments of Transportation and other organizations nationwide this week to urge drivers to keep highway workers safe as ...
Holding down the fort | Roads and Bridges
WEBDec 6, 2007 · The Fort Pitt Bridge was designed to hold four lanes of traffic in each direction, and construction began in 1956 to replace its two-lane predecessor, the Point Bridge. Spanning the Monongahela River, the Fort Pitt Bridge is 1,217 ft in length. The bridge was opened to traffic in 1959—15 months before the opening of …
The Bear Mountain Bridge at 100 - Roads and Bridges
WEBSep 5, 2023 · The Bear Mountain Bridge was the first vehicular crossing of the Hudson River south of Albany, followed by the opening of the Mid-Hudson Bridge in 1930 and the George Washington Bridge in 1932. The BMB was the longest suspended span in the world when it opened, with a main span of 1,632 feet. It was the first bridge to be built with a …