A helper set glides across Highway 23 in western Duluth prior to bridge crews placing a new span across the road. This work was done in the dead of night with the road being closed for 30-minute i... (more)

A helper set glides down Steelton Hill in western Duluth and passes by new bridge construction for double track. The track and narrow bridge the units are on will be replaced by two new bridges, t... (more)