Abandoned railroad bridge in Pittsburgh
Source: Pinterest
This is just one of many abandoned railroad bridges in Pennsylvania. Many of them were abandoned because they were no longer needed when automobiles became the popular way to travel. Travel by train became the exception, not the rule. Because of the new mode of travel, many of these railroad bridges were just left abandoned with no further need of them and no funding to keep them maintained. Some were probably damaged as well and would have cost a fortune to repair.