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A BRIDGE TO NORMALCY
| 题名： | A BRIDGE TO NORMALCY |
| 正文语种： | eng |
| 作者： | Maria Lehman |
| 摘要： | According to the American Society of Civil Engineers (ASCE) 2021 Report Card for America's Infrastructure, more than 40% of the approximately 617,000 bridges in the United States are at least 50 years old. Moreover, about 7.5% of these bridges, or more than 46,000, are considered structurally deficient, meaning they are in "poor" condition. These are the bridges over which our children go to school and they're how essential goods are delivered, including dangerous cargo. |
| 出版年： | 2022 |
| 期刊名称： | Roads & bridges |
| 卷： | 60 |
| 期： | 5 |
| 页码： | 13-13 |
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