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This bridge is a relatively early surviving example of a concrete arch bridge. The bridge retains good historic integrity with original railings and plaque in place. The only detriment to the aesthetic and historic integrity is the addition of a metal plates which have been attached to the railing at the center of the bridge and partially cover up the plaque. The bridge has either not been maintained, or any maintenance carried out on the bridge was poorly designed and executed. There is significant spalling and deterioration on the pier as well as along the arch rib.
As of 2010, the National Bridge Inventory showed only nine deck arch bridges built between 1908 and 1913. As such, the Historic Bridge Inventory's findings below are outdated. Pre-1920 concrete arch bridges that retain original railings like this bridge does should be considered historically significant given the rate of demolition as well as the number of examples which have altered railings, etc.
Unfortunately, thanks to PennDOT, there will soon be eight 1908-1913 deck arch bridges in Blair County, since PennDOT wants to demolish this historic bridge and replace it with an ugly slab of pre-stressed concrete box beams. The planned demolition of this historic bridge shows the risk that Blair County's concrete arch bridges face, and indicates a strong need to preserve those arch bridges in the county which still survive.
Information and Findings From Pennsylvania's Historic Bridge InventoryDiscussion of Bridge The 2 span, 166'-long, reinforced concrete deck arch bridge built in 1912 to plans developed by the county has raised paneled parapets, concrete abutments, and a concrete bullnosed pier. The bridge is one of 13 surviving deck arch bridges designed by the Blair County engineer and built between 1908 and 1913. This example has no innovative or distinctive details. An example of a common type, it was built to a standardized design that was illustrated in the engineering texts of the period. The bridge is neither technologically nor historically significant. Discussion of Surrounding Area The bridge carries a 2 lane road over a stream in the village of Ironville. To the south is a section of the town developed in the mid 19th century. The houses are altered with modern siding and replacement windows, and buildings have been lost. To the north are undistinguished vernacular early 20th century houses. The bridge is not in a potential historic district. Bridge Considered Historic By Survey: No |
This historic bridge has been demolished. This map is shown for reference purposes only.
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