The Julien Dubuque Bridge traverses the Mississippi River. It joins the cities of Dubuque, Iowa, and East Dubuque, Illinois. The bridge is part of the U.S. Highway 20 route. It is one of two automobile bridges over the Mississippi in the area (the Dubuque-Wisconsin Bridge three miles (5 km) north links Dubuque with Wisconsin), and is listed in the National Register of Historic Places.
During World War II, the importance of a new bridge became even more important as it would help facilitate military transportation. In 1942, the first parts of the bridge were begun. In 1943, the bridge was completed. It was painted gray to help camouflage the bridge in case of enemy attack.
Because the bridge was financed with bonds, it was initially operated as a toll bridge. Proceeds were used to help pay off the bonds. In the post war years, traffic was so heavy that the bonds were paid off 11 years early, and the bridge became toll-free in 1954.
In the early 1990s, the bridge underwent an extensive renovation. The deck was completely replaced, and a new walkway was installed on the bridge. For many years, the bridge was a dark green color; however in more recent times it has again been painted a light gray color.
On June 10th the Iowa Department of Transportation inspected the bridge and determined that it was safe for traffic. By 2:30pm they had reopened the bridge to traffic. Authorities believe that rapid currents present in the Mississippi River had caused the barges to come loose and strike the bridge. The pilot and crew of the barge tested negative for alcohol intoxication, with drug tests pending, and foul play was not suspected in this case.
Over the years, there has been considerable debate about the future of the bridge. Much of this debate centers on having a four-lane connection with Illinois. The debate has produced several options,
Most officials have indicated that they would rather not do anything that detracts from the historically important bridge. Discussion about expansion of the bridge continues. While no firm plans have yet been made about the future of the bridge, officials are currently leaning towards building another bridge adjacent to the existing bridge.