Recent District of Columbia Updates

April 6, 2013

Arizona Avenue Railway Bridge (Washington, District of Columbia)
Whipple through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
April 6, 2013: New photos from Andy Peters

April 1, 2013

Aqueduct Bridge Version 3 (Washington, District of Columbia)
Lost Pratt deck truss bridge over Potomac River on Road/Electric Railroad
April 1, 2013:

March 14, 2013

Potomac River Railroad Swing Bridge (Washington, District of Columbia)
Through truss bridge over Potomac River on CSX Railroad
March 14, 2013:

March 5, 2013

Highway Bridge (Washington, District of Columbia)
Lost Pratt through truss bridge over Potomac River on 14th Street/U.S. 1
March 5, 2013: Added by Alexander D. Mitchell IV

Potomac River Railroad Swing Bridge (Washington, District of Columbia)
Through truss bridge over Potomac River on CSX Railroad
March 5, 2013:

Aqueduct Bridge Version 3 (Washington, District of Columbia)
Lost Pratt deck truss bridge over Potomac River on Road/Electric Railroad
March 5, 2013:

March 1, 2013

Chain Bridge (Washington, District of Columbia)
Girder bridge over Potomac River and Chesapeake & Ohio Canal
March 1, 2013: Updated by Andy Peters: adds detail to overview and what the bridge crosses

February 27, 2013

Boulder Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Beach Drive located within Rock Creek Park
February 27, 2013:

January 23, 2013

Piney Branch Parkway Bridge (Washington, District of Columbia)
Concrete arch bridge over Piney Branch Parkway on 16th Street NW
January 23, 2013: Updated by Andy Peters: adds A. Phimister Proctor as sculptor of tiger; adds 16th Street Bridge as alternate name

Taft Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Connecticut Avenue
January 23, 2013:

Taft Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Connecticut Avenue
January 23, 2013:

Dumbarton Bridge (Washington, District of Columbia)
Five-span concrete arch bridge over Rock Creek and Potomac Parkway on Q Street NW
January 23, 2013:

December 20, 2012

Dumbarton Bridge (Washington, District of Columbia)
Five-span concrete arch bridge over Rock Creek and Potomac Parkway on Q Street NW
December 20, 2012:

Dumbarton Bridge (Washington, District of Columbia)
Five-span concrete arch bridge over Rock Creek and Potomac Parkway on Q Street NW
December 20, 2012: Updated by Andy Peters: Adds names of architect, engineer, contractor and buffalo sculptor; adds date of NR listing; adds NRHP record number.

November 16, 2012

Potomac River Railroad Swing Bridge (Washington, District of Columbia)
Through truss bridge over Potomac River on CSX Railroad
November 16, 2012: New Street View added by Jared Mixson

Aqueduct Bridge Version 2 (Washington, District of Columbia)
Lost Howe deck truss bridge over Potomac River on Canal and Road
November 16, 2012: New photo from Jared Mixson

Aqueduct Bridge Version 1 (Washington, District of Columbia)
Lost Timber stringer bridge over Potomac on Canal
November 16, 2012: New photo from Jared Mixson

November 5, 2012

Taft Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Connecticut Avenue
November 5, 2012: New photo from Mike Roegner

Duke Ellington Memorial Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Calvert Street
November 5, 2012: New photos from Mike Roegner

August 10, 2012

Foundry Branch Bridge (Washington, District of Columbia)
Pratt deck truss bridge over Foundry Branch on The Washington and Great Falls Electric Railway
August 10, 2012: Updated by Daniel Hopkins: Added category "Railroad"

Arizona Avenue Railway Bridge (Washington, District of Columbia)
Whipple through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
August 10, 2012: Updated by Daniel Hopkins: Added category "Railroad"

July 25, 2012

Old Chain Bridge (Washington, District of Columbia)
Lost Howe through truss bridge over Potomac River and Chesapeake and Ohio Canal on Chain Bridge Road
July 25, 2012: Updated by Craig Philpott: Added category "Wooden deck"

July 17, 2012

Long Bridge (Second) (Washington, District of Columbia)
Howe through truss bridge
July 17, 2012: Added by Alexander D. Mitchell IV

Arizona Avenue Railway Bridge (Washington, District of Columbia)
Whipple through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
July 17, 2012: Photo imported by Luke Harden

Aqueduct Bridge Version 1 (Washington, District of Columbia)
Lost Timber stringer bridge over Potomac on Canal
July 17, 2012: Updated by Alexander D. Mitchell IV: details from local history added

Chain Bridge (Washington, District of Columbia)
Girder bridge over Potomac River and Chesapeake & Ohio Canal
July 17, 2012: Updated by Luke Harden: Removed city name from builder

Chain Bridge (Washington, District of Columbia)
Girder bridge over Potomac River and Chesapeake & Ohio Canal
July 17, 2012:

April 10, 2012

Foundry Branch Bridge (Washington, District of Columbia)
Pratt deck truss bridge over Foundry Branch on The Washington and Great Falls Electric Railway
April 10, 2012: Updated by Alexander D. Mitchell IV: Added Photos

April 9, 2012

Foundry Branch Bridge (Washington, District of Columbia)
Pratt deck truss bridge over Foundry Branch on The Washington and Great Falls Electric Railway
April 9, 2012: New Street View added by Alexander D. Mitchell IV

November 28, 2011

November 26, 2011

November 13, 2011

Arizona Avenue Railway Bridge (Washington, District of Columbia)
Whipple through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
November 13, 2011:

Arizona Avenue Railway Bridge (Washington, District of Columbia)
Whipple through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
November 13, 2011: Photo imported by Luke Harden

Aqueduct Bridge Version 3 (Washington, District of Columbia)
Lost Pratt deck truss bridge over Potomac River on Road/Electric Railroad
November 13, 2011:

Aqueduct Bridge Version 2 (Washington, District of Columbia)
Lost Howe deck truss bridge over Potomac River on Canal and Road
November 13, 2011:

Aqueduct Bridge Version 1 (Washington, District of Columbia)
Lost Timber stringer bridge over Potomac on Canal
November 13, 2011: Updated by J.P.: added description

Arizona Avenue Railway Bridge (Washington, District of Columbia)
Whipple through truss bridge over Canal & Arizona Avenue on Capital Crescent Trail (formerly B&O Railroad)
November 13, 2011: Added by J.P.

Foundry Branch Bridge (Washington, District of Columbia)
Pratt deck truss bridge over Foundry Branch on The Washington and Great Falls Electric Railway
November 13, 2011: Added by J.P.

November 2, 2011

Duke Ellington Memorial Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Calvert Street
November 2, 2011: Updated by Nathan Holth: Added Official Name

Boundary Channel Bridge (Washington, District of Columbia)
Concrete arch bridge over Boundary Channel on Memorial Avenue
November 2, 2011: Photos imported by Nathan Holth

Arlington Memorial Bridge (Washington, District of Columbia)
Bascule bridge with concrete arch approaches over Potomac River on Memorial Avenue
November 2, 2011: Photos imported by Nathan Holth

Connecticut Avenue Bridge (Washington, District of Columbia)
Steel arch bridge over Klingle Valley on Connecticut Avenue
November 2, 2011: Updated by Nathan Holth: Added Names and Photos

Francis Scott Key Bridge (Washington, District of Columbia)
Concrete arch bridge over Whitehurst Freeway on Water Street
November 2, 2011: New photos from Nathan Holth

October 15, 2011

Potomac River Railroad Swing Bridge (Washington, District of Columbia)
Through truss bridge over Potomac River on CSX Railroad
October 15, 2011:

April 7, 2011

Humpback Bridge (Washington, District of Columbia)
Lost Ribbed closed-spandrel arch bridge over Boundary Channel on George Washington Memorial Parkway
April 7, 2011: Added by Nathan Holth

March 7, 2011

Pennsylvania Avenue Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Pennsylvania Avenue
March 7, 2011: Updated by Nathan Holth: Expanded History To Discuss Cast Iron Arch.

March 3, 2011

14th Street Bridge (Washington, District of Columbia)
Steel stringer bridge over Potomac River And Ohio Drive on US 1
March 3, 2011: New Street View added by Chris Patriarca

February 20, 2011

14th Street Bridge (Washington, District of Columbia)
Steel stringer bridge over Potomac River And Ohio Drive on US 1
February 20, 2011:

Potomac River Railroad Swing Bridge (Washington, District of Columbia)
Through truss bridge over Potomac River on CSX Railroad
February 20, 2011: Added by Robert Thompson

August 7, 2010

Pennsylvania Avenue Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Pennsylvania Avenue
August 7, 2010: Posted HAER photos

May 10, 2010

14th Street Bridge (Washington, District of Columbia)
Steel stringer bridge over Potomac River And Ohio Drive on US 1
May 10, 2010: Added by J.R. Manning

May 8, 2010

Wisconsin Avenue Bridge (Washington, District of Columbia)
Stone arch bridge over C&O Canal on Wisconsin Avenue
May 8, 2010: New photos from Daniel McFarland

May 4, 2010

Wisconsin Avenue Bridge (Washington, District of Columbia)
Stone arch bridge over C&O Canal on Wisconsin Avenue
May 4, 2010: Updated by Nathan Holth: Added GPS.

Francis Scott Key Bridge (Washington, District of Columbia)
Concrete arch bridge over Whitehurst Freeway on Water Street
May 4, 2010: Updated by Nathan Holth: Updated bridge type and name.

Washington Blvd. Bridge (Washington, District of Columbia)
Pair of concrete arch bridges over Boundary Channel on Washington Blvd.
May 4, 2010: Updated by Nathan Holth: Added GPS and info.

Ross Drive Bridge (Washington, District of Columbia)
Concrete arch bridge over Horse Trail on Ross Drive
May 4, 2010: New Street View added by Nathan Holth

Rock Creek Parkway Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Rock Creek Parkway
May 4, 2010: New Street View added by Nathan Holth

Dumbarton Bridge (Washington, District of Columbia)
Five-span concrete arch bridge over Rock Creek and Potomac Parkway on Q Street NW
May 4, 2010: New Street View added by Nathan Holth

Piney Branch Parkway Bridge (Washington, District of Columbia)
Concrete arch bridge over Piney Branch Parkway on 16th Street NW
May 4, 2010: New Street View added by Nathan Holth

Pennsylvania Avenue Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Pennsylvania Avenue
May 4, 2010: Updated by Nathan Holth: Added GPS and info.

P Street Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on P Street NW
May 4, 2010: Updated by Nathan Holth: Added GPS and info.

Arlington Memorial Bridge (Washington, District of Columbia)
Bascule bridge with concrete arch approaches over Potomac River on Memorial Avenue
May 4, 2010: Updated by Nathan Holth: Updated bridge type.

Massachusetts Avenue Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Massachusetts Avenue
May 4, 2010: Updated by Nathan Holth: Updated GPS and info.

Connecticut Avenue Bridge (Washington, District of Columbia)
Steel arch bridge over Klingle Valley on Connecticut Avenue
May 4, 2010:

Duke Ellington Memorial Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Calvert Street
May 4, 2010: Updated by Nathan Holth: Added GPS and info.

Boundary Channel Bridge (Washington, District of Columbia)
Concrete arch bridge over Boundary Channel on Memorial Avenue
May 4, 2010: Updated by Nathan Holth: Added GPS and info.

Boulder Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Beach Drive located within Rock Creek Park
May 4, 2010: New Street View added by Nathan Holth

Taft Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Connecticut Avenue
May 4, 2010: New Street View added by Nathan Holth