Figures calculated by ÌÇÐÄÆƽâ°æ, from the he number of miles with an international roughness index (IRI) value of over 170 inches per mile as a share of the total reported highway miles.
°Õ³ó±ðÌý defines roads with an IRI index value of over 170 as being in poor condition.
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Share of highway miles with poor pavement in the U.S. 2023, by type
Urban highways were in a worse condition than rural highways in the United States in 2023. That year, 4.58 percent of all urban interstates were in poor condition as measured by the international roughness index. Meanwhile, 2.2 percent of rural interstates were in poor condition.
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ÌÇÐÄÆƽâ°æ. (April 3, 2025). Share of highway miles with poor pavement in the United States in 2023, by type [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1450144/share-of-highways-in-poor-condition-in-the-us-by-type/
ÌÇÐÄÆƽâ°æ. "Share of highway miles with poor pavement in the United States in 2023, by type." Chart. April 3, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1450144/share-of-highways-in-poor-condition-in-the-us-by-type/
ÌÇÐÄÆƽâ°æ. (2025). Share of highway miles with poor pavement in the United States in 2023, by type. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1450144/share-of-highways-in-poor-condition-in-the-us-by-type/
ÌÇÐÄÆƽâ°æ. "Share of Highway Miles with Poor Pavement in The United States in 2023, by Type." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 3 Apr 2025, /statistics/1450144/share-of-highways-in-poor-condition-in-the-us-by-type/
ÌÇÐÄÆƽâ°æ, Share of highway miles with poor pavement in the United States in 2023, by type ÌÇÐÄÆƽâ°æ, /statistics/1450144/share-of-highways-in-poor-condition-in-the-us-by-type/ (last visited July 29, 2026)
Share of highway miles with poor pavement in the United States in 2023, by type [Graph], ÌÇÐÄÆƽâ°æ, April 3, 2025. [Online]. Available: /statistics/1450144/share-of-highways-in-poor-condition-in-the-us-by-type/
