U.S. 52 South

Approaching both the northern terminus of U.S. 67 and the eastbound merge with Iowa 64 on U.S. 52 south.

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U.S. 52/Iowa 64 east combine for 3.7 miles through Sabula to the Dale Gardner Veterans Memorial Bridge to Savanna, Illinois. U.S. 67 south begins and overlaps with Iowa 64 west for one half mile before turning south to Clinton.

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U.S. 67 travels 57 miles in the Hawkeye State from here south to the Centennial Bridge in the Quad Cities. Iowa 64 measures 64 miles overall, from the Dale Gardner Veterans Memorial Bridge west to Maquoketa and Animosa.

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U.S. 52/Iowa 64 commence a 3.9 miles overlap from U.S. 67, spanning a Dakota, Minnesota & Eastern (DME) R.R. Corporation line east of the intersection.

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The Sabula city limits extend west along the causeway taking U.S. 52/Iowa 64 across Sabula Lakes.

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U.S. 52/Iowa 64 commence a 3.9 mile overlap east from U.S. 67 and immediately span a Dakota, Minnesota & Eastern (DME) R.R. Corporation line.

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Driscoll's Island lies midway along the U.S. 52 causeway spanning Sabula Lakes.

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U.S. 52/Iowa 64 approach the Sabula street grid along Sycamore Street.

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The welcome sign at Sycamore and Lake Streets touts Sabula as Iowa's Island City.

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U.S. 52/Iowa 64 turn north onto Broad Street at the Sabula city center.

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Broad Street heads six blocks south from U.S. 52/Iowa 64 to a marina.

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U.S. 52/Iowa 64 are unmarked north along Broad Street.

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Leaving Sabula, U.S. 52/Iowa 64 (Broad Street) cross over the Mississippi River overflow bridge between Towne Lake and the river's main channel. A 1933-built truss bridge spanned the waterway until February 27, 2018, when construction to replace it ran into an issue. The span was subsequently demolished during the week of March 5.¹

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Advancing north, U.S. 52/Iowa 64 travel a causeway between Israel Day Lake and Sabula Slough through Upper Mississippi River Wildlife and Fish Refuge.

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Curving east between Chain of Lakes and Sheepshead Bay, U.S. 52/Iowa 64 approach the Dale Gardner Veterans Memorial Bridge at the site where the former Savanna-Sabula Bridge toll gate was located.

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Replacing a narrow steel truss through deck bridge, the Dale Gardner Veterans Memorial Bridge opened to traffic on November 17, 2017.

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Constructed at a cost of $80.6 million, the new tied arch bridge on the south side of the former Savanna-Sabula Bridge accommodates two lanes of traffic with full shoulders.

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Imploded on March 9, 2018, the Savanna-Sabula Bridge stayed in service for 85 years. With a metal deck of just 20 feet in width, the travel lanes were narrow by modern standards.

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Iowa 64 becomes IL 64 as U.S. 52 crosses into Carroll County, Illinois. The two routes combine with IL 84 (Main Street) south into the city of Savanna. IL 84 follows the Great River Road north to Palisades State Park and Galena.

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