Trussville, Alabama

ATN - Roper Tunnel (Jefferson County, Alabama)
Bored 1903, Current tunnel built 1910-11
Tunnel under Roper Hill on Alabama & Tennessee River Railway
Open to rail traffic

Happy Hollow District Bridge (Jefferson County, Alabama)
Built 1909 over the Cahaba River in the Happy Hollow community, relocated to Trussville's Civitan Park as an attraction.
Pratt through truss bridge over Cahaba River on a pedestrian path
Open to pedestrians