U.S. Route 52 in Iowa
section of U.S. Numbered Highway in Iowa, United States

U.S. Highway 52 (US 52) is a 166-mile-long (267 km) United States Numbered Highway in northeast Iowa. The route begins at the Dale Gardner Veterans Memorial Bridge over the Mississippi River between Sabula and Savanna, Illinois. From Sabula, it heads north along the Mississippi towards Bellevue and Dubuque. At Dubuque, US 52 briefly shares an expressway with US 61 and US 151 before joining the Southwest Arterial, another expressway diverting traffic around the southern edge of Dubuque.
West of Dubuque, the route concurrently follows the US 20 expressway before joining Iowa Highway 136 (Iowa 136) in Dyersville. At Luxemburg, it continues north towards Guttenberg. It then heads northwest where it overlaps US 18 for 15 miles (24 km). At Calmar, US 52 turns to the north towards Decorah. US 52 crosses into Minnesota north of Burr Oak.
Despite its even number, US 52 is signed as a north–south route.
“U.S. Route 52 in Iowa” enters the record as section of U.S. Numbered Highway in Iowa, United States. Crown Archives preserves that source wording while asking what Route, Iowa and section can confirm, complicate or overturn.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 19, 2026. The linked authority identifier is Q1481148. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “U.S. Route 52 in Iowa” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.