 While the Union Pacific Missouri River Bridge was the first railroad bridge across the river , the 1 @,@ 400 @-@ foot ( 430 m ) Douglas Street Bridge opened in 1888 as the first road bridge . The East Omaha Bridge was originally opened in 1893 , and rebuilt a decade later in 1903 . The Mormon Bridge was first attempted to be built across the river in 1932 , and failed ; it was finally successfully constructed in 1952 . The South Omaha Bridge opened in 1936 . The Knights of <unk> @-@ <unk> @-@ Ben operated the Douglas Street Bridge as a toll bridge from 1938 to 1947 . The bridge was removed in 1968 . Traffic was carried by a new girder bridge built in 1966 for I @-@ 480 . The Saddle Creek <unk> , over which is the Dodge Street <unk> , was completed in 1934 by the Works Progress Administration . Over 1 @,@ 175 cubic yards ( <unk> m3 ) of dirt were excavated to lower Saddle Creek Road sufficiently to pass under the overpass , which is still in use today . Listed on the National Register of Historic Places in 1992 , it is part of the Bridges in Nebraska Multiple Property <unk> as well . 
