Branch Mill Creek Bridge (Mahoning County, Ohio)
Built 1900
Stone arch bridge over a branch of Mill Creek on CR 110 in Youngstown
Open to traffic

Elm Street Bridge (Mahoning County, Ohio)
Built 1919; rehabilitated 1990
Closed-spandrel arch bridge over Crandall Run on Elm Street in Youngstown
Open to traffic

Kiwatha Road Bridge (Mahoning County, Ohio)
Built 1932; rehabilitated 1988
Closed-spandrel arch bridge on Kiwatha Road in Youngstown
Open to traffic

Mill Creek Bridge (Mahoning County, Ohio)
Built 1920 by N.R. Porterfield Inc.; rehabilitated 1990
Open-spandrel arch bridge over Mill Creek on US 62/OH 625 (Canfield Road) in Youngstown
Open to traffic

Mill Creek Park Suspension Bridge (Mahoning County, Ohio)
Built 1895 by the Youngstown Bridge Co.
Suspension bridge over Mill Creek in Mill Creek Park at Youngstown
Open to traffic

West Avenue Bridge (Mahoning County, Ohio)
Built 1929; closed to traffic in 1997
Through truss bridge over Mahoning River on West Avenue in Youngstown
Closed to all traffic