Allendale Steel Truss Bridge, Greenwood LOST

The Allendale Steel Truss Bridge was demolished and removed in 2009 as part of a local road improvement project. Its Landmark status is "retired".

The Allendale Steel Truss Bridge was unique in the fact that it was one of the few remaining steel truss bridges left in McHenry County. It had been replaced several times throughout its history. The first bridge constructed of wood in 1846 was replaced by one of steel and concrete in 1915. In its place is a modern concrete bridge which will serve Allendale road for many decades to come.

Greenwood was isolated for nearly a year when twelve bridges across the county, including the Allendale Bridge, washed out following the severe flooding of 1938. A new bridge with steel trusses was constructed in 1939 for a cost of just over $10,000. Warren trusses are easily recognized by their triangular outline.

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