Carroll County

Baptist Road Alloway Creek (North)   [Map]
Stringer bridge over ALLOWAY CREEK on BAPTIST ROAD
Open to traffic
Baptist Road-Alloway Creek (South)   [Map · Street View]
Stringer bridge over ALLOWAY CREEK on BAPTIST ROAD
Open to traffic
Big Pipe Creek Bridge   [Map]
Bailey pony truss bridge over Big Pipe Creek on Saw Mill Road
Open to traffic
Built 1974; rehabilitated 2008
Big Pipe Creek MD 97 Bridge   [Map]
Concrete rigid frame bridge over Big Pipe Creek on MD 97
Open to traffic
Built 1934
Big Silver Run Bridge   [Map]
Bailey pony truss bridge over Big Silver Run on Silver Run Valley
Open to traffic
Bullfrog Road Bridge   [Map · Street View]
Through truss bridge over Monocacy River on Bullfrog Road
Open to traffic
Built 1908 by the York Bridge Co.; rehabilitated 1995
CSX - Davis Branch Bridge   [Map]
Stone arch bridge over Davis Branch on CSX RR
Open to traffic
CSX - Davis Tunnel   [Map]
Tunnel under hillside on CSX RR
Open to traffic
Built 1906
CSX - Dorsey Tunnel   [Map]
Tunnel under hillside on CSX RR
Open to traffic
Built 1906
CSX - Henryton Tunnel   [Map]
Tunnel under hillside on CSX RR
Open to traffic
CSX - Mount Airy Tunnel   [Map]
Tunnel on CSX (former B&O)
Open to traffic
Built 1901 for B&O
CSX - Twin Arch Road Overpass   [Map]
Stone arch bridge over Twin Arch Road and South Branch Patapsco River on B&O RR
Open to traffic
CSX - Woodbine Tunnel   [Map]
Tunnel under hillside on CSX RR
Open to traffic
Built 1902
Keymar Bridge   [Map]
Lost stone arch bridge over Little Pipe Creek on MD-194
Replaced by a new bridge
Liberty Reservoir Bridge   [Map]
Deck truss bridge over Liberty Reservoir on MD 32
Open to traffic
Built 1952; rehabilitated 1994
McKinstry's Mills Bridge   [Map · Street View]
Pony truss bridge over Sams Creek on Pearre Road
Open to traffic
Built 1908; rehabilitated 1997
MMID - Little Pipe Creek Trestle   [Map · Street View]
Deck plate girder bridge over Little Pipe Creek and Keymar Road on MMID (former PRR)
MMID - Monocacy River Bridge   [Map]
Baltimore through truss bridge over Monocacy River on MMID (former WM)
Open to traffic
Built for WM Rwy
Monocacy River Bridge   [Map]
Steel stringer bridge over Monocacy River on Keysville Fr Co Road
Open to traffic
Monocacy River Bridge   [Map · Street View]
Concrete arch bridge over Monocacy River on MD 140
Open to traffic
Built 1925
Monocacy River Bridge   [Map · Street View]
Bailey pony truss bridge over Monocacy River on Harney Road
Open to traffic
Built 1989
Mumma Ford Road Bridge   [Map · Street View]
Through truss bridge over Monocacy River on Mumma Ford Road
Open to traffic
Built 1911; rehabilitated 1988 and summer 2011
Piney Creek Bridge   [Map]
Steel stringer bridge over Piney Creek on Baumgardner Road
Closed to all traffic
Built 1925; rehabilitated 1991
Silver Run Bridge   [Map]
Bailey pony truss bridge over Silver Run on Babylon Road
Open to traffic
Built ca. 1960
Simpsons Mill Road Bridge   [Map · Street View]
Through truss bridge over Little Pipe Creek on Simpsons Mill Road
Open to traffic
Built ca. 1890; rehabilitated 1998
Sixes Bridge Road Bridge   [Map · Street View]
Two-span through truss bridge over Monocacy River on Sixes Bridge Road
Open to traffic
Built 1910; rehabilitated 1995
Starners Dam Bridge   [Map]
Steel stringer bridge over Alloway Creek on Baptist Road
Open to traffic
Built 1918; rehabilitated 1987
Sykesville Bypass Bridge
Lost Girder bridge over River Rd, South Branch Patapsco River on Md 32
Replaced by a new bridge
Built 1963
Union Mills Bridge   [Map · Street View]
Queenpost pony truss bridge over Big Pipe Creek millrace on walkway
Open to pedestrians only
Listed as built in 1879 by Wendel Bollman