Bollman Bridge[Map] Bollman through truss bridge over Little Patuxent River in Savage, near the intersection of Goman Road and Foundry Street Open to pedestrians Built for the main line of the B&O Railroad in 1869. Moved to present location around 1887. Remained in service until 1947. Restored in 1968 (perhaps 1983).
Deep Run Bridge[Map] Concrete arch bridge over Deep Run on US 1 Open to traffic Built 1929; rehabilitated 1955
Frederick Road Bridge Concrete arch bridge over Little Patuxent River on Frederick Road Open to traffic Built 1930
Ilchester Railroad Bridge[Map] Through truss bridge over Patapsco River, Ilchester Road on CSX Railroad (formerly B&O Railroad Old Main Line) Open to traffic Built 1902 by the American Bridge Company; once carried 2 tracks
Little Patuxent River Bridge[Map] Concrete arch bridge over Little Patuxent River on Southbound US 1 in Savage-Guilford Open to traffic Built 1900; rehabilitated 1929
Old Columbia Road Bridge Concrete arch bridge over Middle Patuxent River on Old Columbia Road Open to traffic Built 1920
Patapsco River Bridge[Map] Concrete arch bridge over Patapsco River on US 1 in Baltimore Open to traffic Built 1915; rehabilitated 1952
Pratt Bridge[Map] Pratt through truss bridge over Little Patuxent River on formerly the Patuxent Branch of the Baltimore and Ohio Railroad, currently carries the Patuxent Branch Trail Open to pedestrians Built in 1902 for the B&O Railroad, abandoned in 1925, rehabilitated in 2002 for trail use.
Thomas Viaduct[Map · Street View] Eight-span stone arch bridge over Patapsco River on the B&O Railroad between Relay and Elkridge Open to traffic Built 1835
Twin Arch Road Bridge[Map] Stone arch bridge over Twin Arch Road and South Branch Patapsco River on B&O RR Open to traffic
Wilkins-Rogers Flour Mill Bridge[Map] Pratt through truss bridge over Patapsco River on B&O Railroad Intact but closed to all traffic Built c1880s to replace earlier covered bridge built c1830