Yet another Quadrangular Through Truss bridge makes up the third and westernmost crossing of the Big Sioux River along the former CM&O mainline.
This one is considerably shorter than the other two, consisting of just a single short Quadrangular Through Truss span. This span contains the typical details for these spans, including riveted connections and pedimented portal bracing.
Built in 1892, this bridge likely replaced a wooden trestle or a wooden Howe Truss. The bridge is approached by a long wooden trestle on the east end.
The truss rests on stone substructures, while the approach spans are supported by wooden bents.
Overall, the bridge remains in good condition. The bridge sees little traffic, and it is hoped that it will someday become part of a trail.
The author has ranked the bridge as being moderately significant, due to the historic age. Despite this, the bridge did not receive a higher rating because of the large number of railroad trusses in Western South Dakota that are identical in design, yet older and relocated.
The photo above is an overview. The bridge can be accessed from local trails.
| Upstream | BNSF Big Sioux River Bridge |
| Downstream | Sertoma Park Trail Bridge |