U.S. 61/151 South - Dubuque

U.S. 61/151 reach City Island and a wye interchange with 16th Street west. 16th Street intersects Greyhound Park Road before crossing Lake Peosta Channel to Kerper Boulevard. Kerper Boulevard links 9th & 11th Streets and the Downtown district with the Eagle Point district of Dubuque to the northeast.

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Turning southward, U.S. 61/151 follow a short freeway from the Dubuque-Wisconsin Bridge to downtown Dubuque. This freeway opened on December 26, 1991.¹

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A split diamond interchange joins U.S. 61/151 south with 11th Street west to former U.S. 52/Iowa 3 north on White Street. 9th Street carried the two east from Central Avenue to the freeway, where Iowa 3 ended and U.S. 52 combined with U.S. 61/151 to south Dubuque.

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Southbound U.S. 61/151 at the 11th Street off-ramp to U.S. 52 and Iowa 3. Iowa 3 begins and combines with U.S. 52 westward 27 miles from Dubuque to Sageville and Luxemburg. The state route concludes as South Dakota 50 near Westfield, 328 miles to the west.

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U.S. 52 joins the U.S. 61/151 freeway ahead of its end at unsigned Iowa 946, a connector between the US highway trio and Locust Street, their former alignment. Locust Street provides access to U.S. 20 as the Julien Dubuque Bridge passes high above U.S. 52-61-151.

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Downtown Dubuque unfolds to the west of the lowering viaduct of U.S. 52-61-151 south.

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Iowa 946 meets U.S. 52-61-151 at the first of two signalized intersections in Dubuque. A set of flashers advise motorists of the traffic light at the 3rd Street overpass.

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Approaching the right turn for Iowa 946. IA 946 loops west onto Locust Street to U.S. 20 and a return to the south at a wye interchange. U.S. 20 spans the Mississippi River on a two lane steel arch truss bridge to East Dubuque, Illinois. Westward the highway expands into a short freeway on the climb to the College Grandview and West End Districts.

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