Walthers HO Cornerstone 4503 90' Single-Track Railroad Through Girder Bridge - Kit - 12-1/2 x 2-3/8 x 1-1/2" 31.7 x 6 x 3.8cm RECSES_2026-4-22_CUR_964 The self-centering action trucks self

The self-centering action trucks self align themselves parallel with the car for easier placement on track

Set includes one boy in a wagon

One pushes a wheelbarrow

The third length of track is a safety section

Walthers HO Cornerstone 4503 90' Single-Track Railroad Through Girder Bridge - Kit - 12-1/2 x 2-3/8 x 1-1/2" 31.7 x 6 x 3.8cm RECSES_2026-4-22_CUR_964 The self-centering action trucks selfThe Walthers Cornerstone 90' Single Track Railroad Through Girder Bridge kit is based on one of the most common North American railroad bridge designs. It's part of the Cornerstone Engineered Bridge System and is designed to be compatible with system abutments and bridge piers. Plate girder bridges are typically used to cross short distances between 30 and 90' 9. 1 to 30. 4m. Used for many decades, this design is constructed of several steel sections