{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T21:09:13Z","timestamp":1787864953158,"version":"build-2784847793"},"reference-count":69,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2025,7,26]],"date-time":"2025-07-26T00:00:00Z","timestamp":1753488000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Housing, Infrastructure and Communities Canada","award":["022350"],"award-info":[{"award-number":["022350"]}]},{"name":"Infrastructure Canada through NRC\u2019s Climate Resilient Built Environment Initiative","award":["022350"],"award-info":[{"award-number":["022350"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Weathering steel (WS) is widely used in bridge construction due to its high corrosion resistance, durability, and low maintenance requirements. This paper reviews the performance of WS bridges in Canadian climates, focusing on the formation of protective patina, influencing factors, and long-term maintenance strategies. The protective patina, composed of stable iron oxyhydroxides, develops over time under favorable wet\u2013dry cycles but can be disrupted by environmental aggressors such as chlorides, sulfur dioxide, and prolonged moisture exposure. Key alloying elements like Cu, Cr, Ni, and Nb enhance corrosion resistance, while design considerations\u2014such as drainage optimization and avoidance of crevices\u2014are critical for performance. The study highlights the vulnerability of WS bridges to microenvironments, including de-icing salt exposure, coastal humidity, and debris accumulation. Regular inspections and maintenance, such as debris removal, drainage system upkeep, and targeted cleaning, are essential to mitigate corrosion risks. Climate change exacerbates challenges, with rising temperatures, altered precipitation patterns, and ocean acidification accelerating corrosion in coastal regions. Future research directions include optimizing WS compositions with advanced alloys (e.g., rare earth elements) and integrating climate-resilient design practices. This review highlights the need for a holistic approach combining material science, proactive maintenance, and adaptive design to ensure the longevity of WS bridges in evolving environmental conditions.<\/jats:p>","DOI":"10.3390\/ma18153510","type":"journal-article","created":{"date-parts":[[2025,7,28]],"date-time":"2025-07-28T08:51:33Z","timestamp":1753692693000},"page":"3510","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Corrosion Performance of Atmospheric Corrosion Resistant Steel Bridges in the Current Climate: A Performance Review"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0917-8564","authenticated-orcid":false,"given":"Nafiseh","family":"Ebrahimi","sequence":"first","affiliation":[{"name":"Construction Research Center, National Research Council of Canada, 1200 Montreal Rd., Ottawa, ON K1A 0R6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-6862-0999","authenticated-orcid":false,"given":"Melina","family":"Roshanfar","sequence":"additional","affiliation":[{"name":"Construction Research Center, National Research Council of Canada, 1200 Montreal Rd., Ottawa, ON K1A 0R6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mojtaba","family":"Momeni","sequence":"additional","affiliation":[{"name":"EC Energy, London, ON N6G 5N7, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olga","family":"Naboka","sequence":"additional","affiliation":[{"name":"Construction Research Center, National Research Council of Canada, 1200 Montreal Rd., Ottawa, ON K1A 0R6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,7,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1016\/j.corsci.2014.03.006","article-title":"Weathering steels: From empirical development to scientific design. 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