July 2, 2009
Zion Road Bridge (Montgomery County, Maryland)Concrete arch bridge over Hawlings River on Zion Road in Laytonsville
July 2, 2009: New photos from Daniel McFarland
Griffith Road Bridge (Montgomery County, Maryland)Concrete arch bridge over Hawlings River on Griffith Road in Laytonsville
July 2, 2009: New photos from Daniel McFarland
June 14, 2009
Monocacy River Bridge (Frederick County, Maryland)Through truss bridge over Monocacy River on MD 28
June 14, 2009: New photos from Daniel McFarland
May 14, 2009
Carrollton Viaduct (Baltimore, Maryland)Stone arch bridge over Gwynn's Falls on CSX Transportation
May 14, 2009: Updated by Harvey Henkelmann
Waring Viaduct (Montgomery County, Maryland)Stone arch bridge over Seneca Creek on the CSX Transportation in Germantown, Maryland
May 14, 2009: Updated by Harvey Henkelmann
April 26, 2009
Wilson Bridge (Washington County, Maryland)Concrete arch bridge over Conococheague Creek on US 40 in Wilson-Conococheague
April 26, 2009: New photos from Robert Stephenson
April 19, 2009
Carrollton Viaduct (Baltimore, Maryland)Stone arch bridge over Gwynn's Falls on CSX Transportation
April 19, 2009: New photo from Daniel McFarland
Thomas Viaduct (Howard County, Maryland)Eight-span stone arch bridge over Patapsco River on the B&O Railroad between Relay and Elkridge
April 19, 2009: Posted HAER photos
Casselman Bridge (Garrett County, Maryland)Stone arch bridge over Casselman River on Old US 40, east of Grantsville
April 19, 2009: Posted HABS photos
April 6, 2009
March 28, 2009
Amtrak Susquehanna River Bridge (Harford County, Maryland)Deck truss bridge over Susquehanna River on Amtrak in Harvre de Grace
March 28, 2009: Updated by Harvey Henkelmann
Amtrak Susquehanna River Bridge (Harford County, Maryland)Deck truss bridge over Susquehanna River on Amtrak in Harvre de Grace
March 28, 2009: Added by Frank Danberg
March 22, 2009
Catoctin Creek Bridge (Frederick County, Maryland)Concrete arch bridge over Catoctin Creek on MD 180
March 22, 2009: New photos from Daniel McFarland
Catoctin Creek Bridge (Frederick County, Maryland)Pony truss bridge over Catoctin Creek on MD 464
March 22, 2009: New photos from Daniel McFarland
Poffenberger Road Bridge (Frederick County, Maryland)Truss bridge over Catoctin Creek on Poffenberger Road in Burkittsville
March 22, 2009: New photos from Daniel McFarland
St. Marks Road Bridge (Frederick County, Maryland)Truss bridge over Broad Run on St. Marks Road in Rosemont
March 22, 2009: New photos from Daniel McFarland
March 18, 2009
East Bexhill Bridge (Montgomery County, Maryland)Steel arch bridge over Silver Creek on Kensington Pkwy in Kensington
March 18, 2009: Added by Daniel McFarland
Kent Street Bridge (Montgomery County, Maryland)Steel arch bridge over Silver Creek on Kent Street in Kensington
March 18, 2009: New photos from Daniel McFarland
Kensington Parkway Bridge (Montgomery County, Maryland)Steel arch bridge over Silver Creek on Kensington Parkway in Kensington
March 18, 2009: New photos from Daniel McFarland
Kensington Parkway Bridge (Montgomery County, Maryland)Steel arch bridge over Rock Creek on Kensington Parkway in Kensington
March 18, 2009: New photos from Daniel McFarland
March 17, 2009
Montevideo Road Bridge (Montgomery County, Maryland)Pony truss bridge over Dry Seneca Creek on Montevideo Road in Poolesville
March 17, 2009: New photos from Daniel McFarland
Elmhirst Parkway Bridge (Montgomery County, Maryland)Steel arch bridge over Rock Creek Tributary on Elmhirst Parkway in Bethesda
March 17, 2009: New photos from Daniel McFarland
March 8, 2009
February 16, 2009
Sixes Bridge Road Bridge (Frederick County, Maryland)Truss bridge over Monocacy River on Sixes Bridge Road
February 16, 2009: New photos from Daniel McFarland
LeGore Bridge (Frederick County, Maryland)Five-span stone arch bridge over Monocacy River on LeGore Bridge Road in Woodsboro
February 16, 2009: New photo from Daniel McFarland
Burkillsville Road Bridge (Frederick County, Maryland)Pony truss bridge over Catoctin Creek on Route 17 in Middletown
February 16, 2009: Added by Daniel McFarland
February 10, 2009
Baltimore Road Bridge (Montgomery County, Maryland)Concrete arch bridge over Rock Creek on Baltimore Road in Rockville
February 10, 2009: New photo from Daniel McFarland
February 9, 2009
Creamery Road Bridge (Frederick County, Maryland)Truss bridge over Toms Creek on Creamery Road in Emmitsburg
February 9, 2009: New photos from Daniel McFarland
Wilson Bridge (Washington County, Maryland)Concrete arch bridge over Conococheague Creek on US 40 in Wilson-Conococheague
February 9, 2009: Updated by Daniel McFarland
Antietam Ironworks Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Harpers Ferry Road in Sharpsburg
February 9, 2009: Updated by Daniel McFarland
Pry’s Mill Bridge (Washington County, Maryland)Stone arch bridge over Little Antietam Creek on Keedysville Road in Sharpsburg
February 9, 2009: Updated by Daniel McFarland
The Hitts Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Keedysville Road in Keedysville
February 9, 2009: Updated by Daniel McFarland
Garis Shop Road Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Garis Shop Road in Funkstown
February 9, 2009: New photo from Daniel McFarland
Devil's Backbone Bridge (Washington County, Maryland)Concrete arch bridge over Little Beaver Creek on "Route 68/ just West of Alt Route 40/ The Old National Pike"
February 9, 2009: Added by Daniel McFarland
Booth's Mill Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Route 68 in Lappans
February 9, 2009: Added by Daniel McFarland
February 7, 2009
Crow Rock Road Bridge (Frederick County, Maryland)Truss bridge over Middle Creek on Crow Rock Road in Myersville
February 7, 2009: New photos from Daniel McFarland
Church Hill Road Bridge (Frederick County, Maryland)Truss bridge over Middle Creek on E. Church Hill Road in Myersville
February 7, 2009: New photos from Daniel McFarland
Station Road Bridge (Frederick County, Maryland)Truss bridge over Catoctin Creek on Station Road in Middletown
February 7, 2009: New photos from Daniel McFarland
February 6, 2009
Creamery Road Bridge (Frederick County, Maryland)Truss bridge over Toms Creek on Creamery Road in Emmitsburg
February 6, 2009: New photos from Daniel McFarland
February 5, 2009
CSXT Germantown Bridge (Montgomery County, Maryland)Stone arch bridge over Game Preserve Road on CSX Transportation in Germantown
February 5, 2009: Updated by Harvey Henkelmann
Reichs Ford Road Bridge (Frederick County, Maryland)Truss bridge over Bush Creek on Reichs Ford Road
February 5, 2009: New photos from Daniel McFarland
Cabin John Aqueduct Bridge (Montgomery County, Maryland)Stone arch bridge over Cabin John Creek on Macarthur Blvd.
February 5, 2009: New photo from Daniel McFarland
CSXT Germantown Bridge (Montgomery County, Maryland)Stone arch bridge over Game Preserve Road on CSX Transportation in Germantown
February 5, 2009: New photo from Daniel McFarland
January 31, 2009
Catoctin Creek RR Bridge (Frederick County, Maryland)Stone arch bridge over Catoctin Creek on CSX Railroad (formerly Chesapeke & Ohio RR) 2 tracks
January 31, 2009: Added by Bob Morgan
January 29, 2009
Old Mill Road Bridge (Frederick County, Maryland)
Truss bridge over Owens Creek on Old Mill Road
January 29, 2009: Updated by Daniel McFarland
Truss bridge over Owens Creek on Old Mill Road
January 29, 2009: Updated by Daniel McFarland
January 28, 2009
Waring Viaduct (Montgomery County, Maryland)Stone arch bridge over Seneca Creek on the CSX Transportation in Germantown, Maryland
January 28, 2009: Added by Daniel McFarland
CSXT Germantown Bridge (Montgomery County, Maryland)Stone arch bridge over Game Preserve Road on CSX Transportation in Germantown
January 28, 2009: Added by Daniel McFarland
Susquehanna River Bridge (Harford County, Maryland)Through truss bridge over Susquehanna River on US 40 in Havre de Grace
January 28, 2009: New photo from Daniel McFarland
Vinegar Hill Road Bridge (Baltimore County, Maryland)Through truss bridge over Little Gunpowder Falls on Vinegar Hill Road in Kingsville
January 28, 2009: New photos from Daniel McFarland
Three Bridges Road Bridge (Wicomico County, Maryland)Wooden bridge over Burnt Mill Branch on Three Bridges Road
January 28, 2009: New photo from Daniel McFarland
Dogstreet Road Bridge (Washington County, Maryland)Stone arch bridge over Little Antietam Creek on Dogstreet Road in Keedysville
January 28, 2009: New photo from Daniel McFarland
Chesapeake Bay Bridge (Anne Arundel County, Maryland)Suspension bridge over Chesapeake Bay on US 50
January 28, 2009: New photos from Daniel McFarland
January 27, 2009
Monocacy River Bridge (Frederick County, Maryland)Through truss bridge over Monocacy River on MD 355
January 27, 2009: New photos from Daniel McFarland
Dixon Road Bridge (Frederick County, Maryland)Truss bridge over Bennett Creek on Dixon Road
January 27, 2009: New photos from Daniel McFarland
Bennies Hill Road Bridge (Frederick County, Maryland)Truss bridge over Catoctin Creek on Bennies Hill Road in Middletown
January 27, 2009: New photos from Daniel McFarland
Sumantown Road Bridge (Frederick County, Maryland)Truss bridge over Catoctin Creek on Sumantown Road
January 27, 2009: New photo from Daniel McFarland
Monocacy River Bridge (Frederick County, Maryland)Through truss bridge over Monocacy River on MD 28
January 27, 2009: New photos from Daniel McFarland
Poffenberger Road Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Poffenberger Road in Funkstown
January 27, 2009: New photo from Daniel McFarland
Wilson Bridge (Washington County, Maryland)Concrete arch bridge over Conococheague Creek on US 40 in Wilson-Conococheague
January 27, 2009: New photo from Daniel McFarland
Roxbury Road Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Roxbury Road in Boonsboro
January 27, 2009: New photo from Daniel McFarland
Antietam Ironworks Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Harpers Ferry Road in Sharpsburg
January 27, 2009: New photo from Daniel McFarland
The Hitts Bridge (Washington County, Maryland)Stone arch bridge over Antietam Creek on Keedysville Road in Keedysville
January 27, 2009: New photo from Daniel McFarland
Pry’s Mill Bridge (Washington County, Maryland)Stone arch bridge over Little Antietam Creek on Keedysville Road in Sharpsburg
January 27, 2009: New photo from Daniel McFarland
Baltimore Road Bridge (Montgomery County, Maryland)Concrete arch bridge over Rock Creek on Baltimore Road in Rockville
January 27, 2009: New photo from Daniel McFarland
Reichs Ford Road Bridge (Frederick County, Maryland)Truss bridge over Bush Creek on Reichs Ford Road
January 27, 2009: New photo from Daniel McFarland
Church Hill Road Bridge (Frederick County, Maryland)Truss bridge over Middle Creek on E. Church Hill Road in Myersville
January 27, 2009: New photo from Daniel McFarland
Crow Rock Road Bridge (Frederick County, Maryland)Truss bridge over Middle Creek on Crow Rock Road in Myersville
January 27, 2009: New photo from Daniel McFarland
Station Road Bridge (Frederick County, Maryland)Truss bridge over Catoctin Creek on Station Road in Middletown
January 27, 2009: New photo from Daniel McFarland
Keysville Road Bridge (Frederick County, Maryland)Truss bridge over Tom'S Creek on Keysville Road in Emmitsburg
January 27, 2009: New photos from Daniel McFarland
Apples Church Road Bridge (Frederick County, Maryland)Truss bridge over Owens Creek on Apples Church Road in Thurmont
January 27, 2009: New photo from Daniel McFarland
Hoovers Mill Road Bridge (Frederick County, Maryland)Truss bridge over Owens Creek on Hoovers Mill Road in Thurmont
January 27, 2009: New photo from Daniel McFarland
Stevens Road Bridge (Frederick County, Maryland)Truss bridge over Hunting Creek on Stevens Road
January 27, 2009: New photos from Daniel McFarland
Blacks Mill Road Bridge (Frederick County, Maryland)Truss bridge over Hunting Creek on Blacks Mill Road
January 27, 2009: New photo from Daniel McFarland
Creamery Road Bridge (Frederick County, Maryland)Truss bridge over Toms Creek on Creamery Road in Emmitsburg
January 27, 2009: New photo from Daniel McFarland
January 10, 2009
January 9, 2009
Old Mill Road Bridge (Frederick County, Maryland)
Truss bridge over Owens Creek on Old Mill Road
January 9, 2009: Updated by Daniel McFarland
Truss bridge over Owens Creek on Old Mill Road
January 9, 2009: Updated by Daniel McFarland
November 23, 2008
Bollman Bridge (Howard County, Maryland)Through truss bridge over Little Patuxent River in Savage
November 23, 2008: New photos from James Baughn
Cabin John Aqueduct Bridge (Montgomery County, Maryland)Stone arch bridge over Cabin John Creek on Macarthur Blvd.
November 23, 2008: Added by James Baughn
Carrollton Viaduct (Baltimore, Maryland)Stone arch bridge over Gwynn's Falls on CSX Transportation
November 23, 2008: Added by James Baughn
October 26, 2008
Queen Anne Bridge (Prince George's County, Maryland)Abandoned pratt pony truss bridge over Patuxent River on Queen Anne Bridge Rd in Town of Queen Anne (Hardesty)
October 26, 2008: Added by James Gonzalski
Central Ave Bridge (Prince George's County, Maryland)Through truss bridge over Patuxent on Central Ave/MD 214
October 26, 2008: Added by James Gonzalski
Governor's Bridge (Prince George's County, Maryland)Through truss bridge over Patuxent River on Governor Bridge Road in Bowie
October 26, 2008: New photo from James Gonzalski
October 8, 2008
Potomac River Bridge (Allegany County, Maryland)Steel through arch bridge over Potomac River on MD 942 in Cumberland
October 8, 2008: New photo from Rick Mattioni
September 17, 2008
Old Paper Mill Bridge (Baltimore County, Maryland)Bridge over Loch Raven Reservoir on an old alignment of Paper Mill Rd
September 17, 2008: New photo from James Gonzalski
September 3, 2008
Old Paper Mill Bridge (Baltimore County, Maryland)Bridge over Loch Raven Reservoir on an old alignment of Paper Mill Rd
September 3, 2008: Added by James Gonzalski
August 26, 2008
Chesapeake Bay Bridge (Anne Arundel County, Maryland)Suspension bridge over Chesapeake Bay on US 50
August 26, 2008: Updated by Michael Goff: added builders
March 20, 2008
Bollman Bridge (Howard County, Maryland)Through truss bridge over Little Patuxent River in Savage
March 20, 2008: Added by Bob Kirkpatrick
January 8, 2007
Watervale Road Bridge (Harford County, Maryland)Pony truss bridge over Winters Run on Watervale Road in Bel Air North
January 8, 2007: Posted photo from Richard Weatherby
September 1, 2006
Governor's Bridge (Prince George's County, Maryland)Through truss bridge over Patuxent River on Governor Bridge Road in Bowie
September 1, 2006: Posted HAER photo