and repainted. 1951: Bridge survives 1951 flood. 1952: North approach widened. 1966: North approach widened and resurfaced. 1967: Bridge deck repaired. 1981–1982: Repair of girder lines on downstream side of railroad deck. 1987: Heart of America Bridge opened to the east, upper auto deck closed to all traffic. 1988–1989: Upper deck surface removed, and bridge given to Burlington Northern railroad. 1996: Bridge added as a National Historic Civil Engineering Landmark by the American Society of Civil Engineers, for being one of only two of that type ever built in the United States. See also List of bridges documented by the Historic American Engineering Record in Missouri List of crossings of the Missouri River References External links Armour-Swift-Burlington Bridge on website of American Society of Civil Engineers, Kansas City chapter Railroad bridges in Missouri Bridges in Kansas City, Missouri Bridges completed in 1911 BNSF Railway bridges Historic American Engineering Record in Missouri Historic Civil Engineering Landmarks Vertical lift bridges in Missouri Former toll bridges in Missouri 1911 establishments in the United States Metal bridges in the United States