MD 45

Gunpowder Falls Bridge (Baltimore County, Maryland)
Built 1924
Concrete arch bridge over Gunpowder Falls on MD 45
Open to traffic

Western Run Bridge (Baltimore County, Maryland)
Built 1917
Concrete arch bridge over Western Run on MD 45
Open to traffic

York Road Little Gunpowder Falls Bridge (Baltimore County, Maryland)
Built 1930
Concrete arch bridge over Little Falls on MD 45
Open to traffic