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Excellence in Highway Design
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Category 3b - Major Highway Structures under $10 Million

Merit Award

Photo: Five Mile Bridge - Old Stage Road over the Illinois and Michigan Canal


Five Mile Bridge - Old Stage Road over the Illinois and Michigan Canal

Morris, Illinois


Designer:  Graef, Anhalt, Schloemer & Associates, Chicago, Illinois
Contractors:  Belvidere Construction, Belvidere, Illinois

This innovative structure is the first timber arch bridge in Illinois. The arches, beams, and deck are pressure-treated, glue-laminated southern yellow pine, a material compatible with the rustic environment of this national heritage corridor. The innovative use of a steel rod cross-bracing system hidden just below the deck is used to carry lateral loads to the bridge's abutments.

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