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  1. 220,000 U.S. bridges—36 percent—need repair work. 79,500 need replacement. More than 45,000 bridges are in poor condition and were classified as “structurally deficient” (SD) in 2020, decreasing by 1,140 structures compared to 2019. The good news is that the number of SD bridges has declined for the last five years.

    • Highlights

      hlights: More than one third (37 percent) of U.S....

  2. For example, in 2019, the percentage of structurally deficient bridges ranged from 1% in Nevada to 22% in Rhode Island. Less encouraging is that 42% of the nation’s 617,084 highway bridges are over 50 years old, an increase from 39% in 2016. Notably, 12% of highway bridges are aged 80 years or older. Structurally deficient bridges ...

  3. hlights: More than one third (37 percent) of U.S. bridges—nearly 231,000 spans—need r. pair work. More than 46,000 bridges are rated in poor condition and classified as “structurally de. cient.” A total of 81,000 bridges should b. replaced.While the number of structurally deficient (SD) bridges declined by 900 compared to 2018, it still ...

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  4. Bridge replacement Added service life = 75 years Cost = $1.5 million. = 75 = 50 years per $1 million. 1.5 million. = 15 years Cost = $50,000=15 = 300 years per $1 millionC 0.05 millionWe can see that the deck overlay actio. has a much higher benefit-cost ratio, which makes it the preferred action. When this type of analysis is done for all ...

  5. artbabridgereport.org › reports › 2022-ARTBA-BridgeHighlights: - Bridge Report

    Bridge ReportBy Dr. Alison Premo Black, C. tHighlights: 36 percent of U.S. bridges—nearly 224,000 spans—need repair work. 78,800 bridges should be replaced. More than 43,500 bridges are rated in poor condition and classified as “structurally. deficient.” Motorists cross these structures 167.5 millio.

  6. Apr 25, 2022 · According to the 2021 Infrastructure Report Card – Bridges, 42% of the 617,000 bridges in the U.S. are more than 50 years old and 46,154 (7.5%) are considered structurally deficient. The pace of addressing the 231,000 bridges that need repair has slowed to 0.1% annually, which the 2021 bridge report warns is not sustainable.

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  8. www.artba.org › market-intelligence › bridge-conditionsAnnual Bridge Report – ARTBA

    Oct 11, 2024 · Our analysis of 2023 U.S. Department of Transportation (DOT) National Bridge Inventory (NBI) database finds that 36 percent of all U.S. bridges—over 222,000 spans—require major repair work or replacement. Placed end‐to‐end, these structures span over 6,100 miles – and would take over 110 hours to cross at an average speed of 55 ...