https://gis.penndot.gov/paprojects/BridgeConditionsMap.aspx
... and find some that pass over other roads, and you can find other instances:
https://www.google.com/maps/@40.4562613,-79.9736136,3a,52.6y...
https://gis.penndot.gov/paprojects/BridgeConditionsMap.aspx
... and find some that pass over other roads, and you can find other instances:
https://www.google.com/maps/@40.4562613,-79.9736136,3a,52.6y...