Howe Lattice portal bracing

3 Rhombus with subdivided heel bracing
DAIR - Canton Bridge (Lincoln County, South Dakota)
Built 1917, Approach added 1931; Destroyed 2019
Through truss bridge over Big Sioux River on Dakota & Iowa Railroad
Destroyed by flooding

Salisbury Bridge (Meeker County, Minnesota)
Built 1899 by the Hewett Bridge Co.
Through truss bridge over North Fork Crow River on CR 362
Closed to traffic after an accident in November 2010; fate uncertain

South Skunk River Bridge (Jasper County, Iowa)
Built 1899; Demolished 2014
Lost Through truss bridge over South Skunk River on 126th Avenue
Demolished in 2014. New concrete bridge opened in 2015.