Mile 51.5 - Although the Catotcin Aqueduct was recently repaired, for a long time, there was only a single arch and a footbridge to allow passage. This picture, which was taken before the repairs, is a combination of three elements. The
first is the single remaining arch of the Catoctin Creek Aqueduct, on the right. The missing two arches collapsed in 1973. Behind it you can see an arch of
the B & O railroad bridge. On top of them both is the steel and wood foot bridge NPS built after the collapse. It's built right beside the remains of
Although that might look like the aqueduct, it is the nearby B&O rail road crossing as seen from the towpath.