The Cairo I-57 Bridge is a steel through arch bridge carrying 4 lanes of Interstate 57 across the Mississippi River at Cairo, Illinois. It was opened in 1978. See also List of crossings of the Upper Mississippi River References External links I-57 Bridge at johnweeks.com Through arch bridges in the United States Bridges on the Interstate Highway System Road bridges in Illinois Bridges over the Mississippi River Cairo, Illinois Bridges completed in 1978 Bridges in Alexander County, Illinois Buildings and structures in Mississippi County, Missouri Road bridges in Missouri Interstate 57 Steel bridges in the United States Interstate vehicle bridges in the United States