Key takeaways about the condition of US bridges and their role in …
网页2024年3月30日 · About 42,400 U.S. bridges are in poor condition, carrying about 167 million vehicles each day, according to the federal government. Those poor bridges are on average 70 years old. Of those poor bridges, four-fifths have problems with their substructures (the legs holding them up) or their superstructures (the arms supporting their load). And ...
1 in every 13 bridges in America is in ‘poor’ condition ... - CNN
网页2024年3月30日 · Around 46,100 of the 617,000 bridges across the United States, or 7.5% of all bridges, are considered structurally deficient and are in poor condition, according to the American Society of...
Risks of bridge collapses are real and set to rise — here’s why
网页2024年5月28日 · Beyond lives lost and the costs of replacement, the failure of a single bridge can hinder movement of people and goods in a region for months or years. Displaced traffic generates more...
Structurally Deficient Bridges | 2021 Infrastructure Report
网页Currently, 42% of all bridges are at least 50 years old, and 46,154, or 7.5% of the nation’s bridges, are considered structurally deficient, meaning they are in “poor” condition. Unfortunately, 178 million trips are taken across these structurally deficient bridges every …
Dozens of Major Bridges Lack Shields to Block Wayward Ships
网页2024年4月6日 · At 309 major bridges on navigable waterways in the United States, inspections in recent years have found protection systems around bridge foundations that were deteriorating, potentially...
America’s infrastructure: 42,000 U.S. bridges are in poor condition
网页2024年3月30日 · Thousands of old bridges across the U.S. are awaiting replacement or repairs after inspectors found them in poor condition. About 167 million vehicles travel daily over about 42,000 bridges...
Closed U.S. bridges highlight neglect as repairs await funding - AP …
网页2024年3月30日 · Thousands of old bridges across the U.S. are awaiting replacement or repairs after inspectors found them in poor condition.
Baltimore bridge collapse: How safe are America's bridges? - USA TODAY
网页2024年3月27日 · The collision caused Baltimore's Francis Scott Key Bridge to collapse within seconds, igniting calls for fixes to America's aging bridges.
Pittsburgh Bridge Collapses Hours Before Biden Infrastructure …
网页2022年1月28日 · Pittsburgh Bridge Collapses Hours Before Biden Infrastructure Visit - The New York Times. At least 10 people sustained non-life-threatening injuries, officials said. According to an analysis,...
NTSB Urges Action for Bridges Nationwide
网页WASHINGTON (May 18, 2023) —The National Transportation Safety Board recommended Thursday that federal and state authorities review inspection reports and identify incomplete follow-up actions that need to be resolved for bridges made of uncoated weathering steel, citing the ongoing investigation of a 2022 bridge collapse in Pittsburgh.