North of Sabula, the US 52 / Iowa 64 causeway divides the Mississippi River from Sheepshead Bay, another backwater area. At this point, US 52 / Iowa 64, directionally signed south and east, respectively, are heading north.
North of Sabula, the US 52/Iowa 64 causeway separates the Mississippi River from Sheepshead Bay, a less developed area. The US 52/Iowa 64 route is directed south and east but is heading north at this point.