Walnut Street Bridge may refer to:
Bridges in the United States (by state then city) Walnut Street Bridge (Wilmington, Delaware), a bridge that spans the Christina River in Wilmington, Delaware Walnut Street Bridge (Mazeppa, Minnesota), listed on the National Register of Historic Places in Wabasha County, Minnesota Walnut Street Bridge (Harrisburg, Pennsylvania), a truss bridge that spans the Susquehanna River, listed on the National Register of Historic Places in Dauphin County, Pennsylvania Walnut Street Bridge (Philadelphia), a bridge that spans the Schuylkill River Walnut Street Bridge (Yankton, South Dakota), listed on the National Register of Historic Places in Yankton County, South Dakota Walnut Street Bridge (Chattanooga, Tennessee), a truss bridge across the Tennessee River, listed on the National Register of Historic Places in Hamilton County, Tennessee