Stressenreuter Brothers of Chicago, Illinois was the substructure contract per local news articles. The Illinois Steel Bridge Company was "low bidder on practically every type of steel superstructure which will be used in the construction of the bridge over the Illinois River at Florence" per September 16, 1926 issue of the The Jacksonville Daily Journal.
This vertical lift bridge is also noted for its long, impressive series of fixed through truss spans.
All spans, both the lift span and the fixed approach spans (which match the design of the lift span except there are no towers), are 215 feet from center to center of bearing. The span length from center to center of piers is 217 feet. The eight fixed truss spans and the single lift span total 1,953 feet in overall length. The remaining length of the bridge is composed of 29 steel stringer approach spans at the eastern end of the bridge only, producing a total bridge length of 3,178 feet. The bridge was rehabilitated in 1981 and 2004. The 2004 project involved deck replacement.
Above: 1930 photo of machinery room. Photo Credit: Art Kistler, IDOT
Above: The counterweight sheaves were removed from the bridge following a mechanical problem that developed in 2012 and are shown in storage here. Note person for scale. Photo Credit: IDOT.
Above: 1930 photo of bridge showing original railing on approach spans. Photo Credit: Art Kistler, IDOT
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