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5 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 …
Understanding AASHTO LRFD Bridge Design Specs for cast-in …
Sep 19, 2018 · Cast-in-place and post-installed anchor systems have been used extensively in highway construction projects for many years for applications such as bridge girder connections, seismic retro-fit and strengthening, precast concrete member attachments, and attachments of light poles, signs, guard rails, and pedestrian fencing.
Traffic Flow That’s Just Right | Roads and Bridges
Aug 13, 2023 · A Staple for the Future. I t’s clear that roundabouts are here to stay in the United States. Used appropriately, they give communities the ability to graduate growing traffic levels while maintaining safe and smooth traffic flow.. For motorists, education on roundabouts comes with exposure. As roundabouts become more normalized, drivers become more adept at navigating them and mov ing ...
Rachel Carson Bridge marries historic design with modern …
Feb 2, 2022 · By: Geoffrey S. Holmes, P.E., CBSI. The Three Sisters Bridges have always been unique. Originally constructed from 1924 to 1928 to span the Allegheny River in Pittsburgh, Pennsylvania, they were the first self-anchored suspension bridges constructed in the U.S. and remain the only trio of identical, side-by-side bridges in the world.
Hanson Pipe & Precast, Inc. | Roads and Bridges
Hanson Pipe & Precast is the largest manufacturer of concrete pipe and precast in North America, with more than 150 facilities in 26 states and Ontario, Canada. Hanson Pipe & Precast, a division of Hanson Building Products North America, is a sophisticated, diversified manufacturer of concrete pipe ...
Rehabilitating Concrete | Roads and Bridges
Aug 13, 2023 · Strategies to keep our roads nice and smooth. Full-depth asphalt repairs will work like an expansion joint, allowing the concrete pavement to expand on either side of the patch and allowing the joints in nearby areas to move and fill with additional incompressible material, resulting in a cycle of damage.
The Bear Mountain Bridge at 100 | Roads and Bridges
Sep 5, 2023 · By Kathryn Burke, Contributing Author. Construction of the Bear Mountain Bridge in New York began 100 years ago. Built by names like Terry & Tench, Co., and John A. Roebling’s Sons, Co., this iconic structure will celebrate its centennial anniversary because of consistent, timely maintenance and care given by the New York State Bridge Authority (NYSBA).
The engineering behind the Hoover Dam and its bypass
Oct 31, 2019 · The Hoover Dam, and the newly constructed Hoover Bypass, or Mike O'Callaghan – Pat Tillman Memorial Bridge, are engineering marvels that embody American ingenuity, grit and power.However, these public works share more than the Colorado River. They stand out as monuments of determination and exemplify how technology and chemistry contribute to engineering success.
NTSB issues final report on FIU bridge collapse, makes safety ...
Nov 19, 2019 · The National Transportation Safety Board (NTSB) recently released its final report on the Florida International University (FIU) pedestrian bridge collapse that took place in March 2018.. The report reiterates what the NTSB already announced in a recent public meeting about the determined cause of the bridge's collapse, along with safety recommendations from the agency to the Federal Highway ...
Developing Pavement Management Systems | Roads and Bridges
Sep 5, 2023 · Small-size municipalities typically have a smaller pavement network, which makes windshield assessment more efficient. Inspectors and engineers can assess the entire area and identify the types of pavement distress helping asset managers prioritize maintenance and repair efforts more effectively.