The current bridge is on the alignment built in 1909. The original line can be seen to the right of the current one in the overhead shot from 1949, or above the bridge in the 2009 shots.
The old bridge abutments were here:
(The first two miles of the Mansfield branch are actually the original alignment as completed in 1893. The photo above shows where the abutment was, but a large curved cut was dug for the branch going up the canyon.)