The bridge was installed in 2008 and opened to the public on the night of September 11, 2008.
The bridge was installed on October 25, 2006 in Letterkenny.
A folding bridge was then installed in its place.
A new bridge was installed in 1928, since replaced in 2013.
A bridge was installed at Babcock, allowing students to enter from the back, rather than the front.
A bridge is installed at the bottom of the hill where visitors can stand to get wet.
The bridge will be installed over the next six to eight weeks to aid the final stages of the cleanup.
Three major new bridges were installed on the line between March and May 2008.
Eventually the bridge was installed at a site slightly upstream as a historical monument.
The new bridge was installed in March 2013.