Union Railroad Port Perry Bridge
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The Union Railroad Port Perry Bridge it is a truss bridge that carries the Pennsylvania Union Railroad across the Monongahela River between North Braddock, Pennsylvania and Duquesne, Pennsylvania. Industrial pipelines also adorn the bridge, as natural gas is transported between the communities. Union Railroad is owned and operated by Transtar, Inc., a subsidiary of the United States Steel Corporation.
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| Municipalities 15,000–50,000 population
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