Status: Open to traffic
Location: 39.175556,-76.776111
Carries US 1 over Deep Run
Design: arch/deck
Design Details: Arch
Total Length: 25.9 Feet
Span Length: 22.0 Feet
Overview: Concrete arch bridge over Deep Run on US 1
History: Built 1929; rehabilitated 1955
Built: 1929
Location: Howard County
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Status: Open to traffic
Location: 39.256111,-76.927500
Carries Folly Quarter Road over Middle Patuxent River
Design: arch/deck
Design Details: Arch
Total Length: 64.0 Feet
Span Length: 60.0 Feet
Overview: Concrete arch bridge over Middle Patuxent River on Folly Quarter Road
History: Built 1922
Built: 1922
Location: Howard County
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Status: Open to traffic
Location: 39.275556,-76.852222
Carries Frederick Road over Little Patuxent River
Design: arch/deck
Design Details: Arch
Total Length: 29.9 Feet
Span Length: 25.9 Feet
Overview: Concrete arch bridge over Little Patuxent River on Frederick Road
History: Built 1930
Built: 1930
Location: Howard County
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Status: Open to traffic
Location: 39.134444,-76.816111
Carries Southbound US 1 over Little Patuxent River
Design: arch/deck
Design Details: Arch
Total Length: 99.1 Feet
Span Length: 98.1 Feet
Overview: Concrete arch bridge over Little Patuxent River on Southbound US 1 in Savage-Guilford
History: Built 1900; rehabilitated 1929
Built: 1900
Location: Howard County
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Status: Open to traffic
Location: 39.168056,-76.883056
Carries Old Columbia Road over Middle Patuxent River
Design: arch/deck
Design Details: Arch
Total Length: 48.9 Feet
Span Length: 44.9 Feet
Overview: Concrete arch bridge over Middle Patuxent River on Old Columbia Road
History: Built 1920
Built: 1920
Location: Howard County
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Status: Derelict/abandoned
One arch remains intact; cable-stayed pedestrian bridge built at site 2006
Location: 39.248895,-76.764683
Carries Baltimore & Ohio Railroad over Patapsco River
Design: arch/deck/stone
Design Details: Stone arch
Total Length: 360.0 Feet
Span Length: 55.0 Feet
Overview: Abandoned stone arch bridge over Patapsco River on Baltimore & Ohio Railroad
History: Built May-December 1829, washed out 1868 and replaced with Bollman truss until 1902-03; one arch and abutments remain
Built: 1829
Location: Howard County
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269330
1970 view of west abutment looking north, showing common road arch.
Photo from Historical Architectural Engineering Record, LOC
269331
September 1975 view
Photo taken by Pamela M. James, from Md. Historical Trust
Status: Open to pedestrians
Location: 39.134806,-76.825028
Carries over Little Patuxent River
Design: truss/through/bollman
Design Details: Bollman through truss
Total Length: 160.0 Feet
Span Length: 0.0 Feet
Overview: Bollman through truss bridge over Little Patuxent River in Savage, near the intersection of Goman Road and Foundry Street
History: 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).
Built: 1869
Location: Howard County
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113107
Photo taken by Bob Kirkpatrick
113108
Photo taken by Bob Kirkpatrick
113109
Photo taken by Bob Kirkpatrick
128425
Aerial View Of Bridge From East
Photo taken by Historic American Engineering Record
128426
East Side Of Bridge
Photo taken by Historic American Engineering Record
128427
Barrel Shot Of Bridge From South
Photo taken by Historic American Engineering Record
128428
Barrel Shot Of Bridge From North
Photo taken by Historic American Engineering Record
128429
Panel Point In The Bottom Chord, Showing Connection With Diagonal Tension Members
Photo taken by Historic American Engineering Record
128430
General View Of Truss On East Side Of Bridge, With Savage Mill Tower In Background
Photo taken by Historic American Engineering Record
128431
Paired End Posts At Mid Span Showing Connection Of Diagonal Tension Members With Anchor Casting
Photo taken by Historic American Engineering Record
128432
Paired End Posts And Anchor Castings At Center Of Bridge
Photo taken by Historic American Engineering Record
128433
Panel Point Showing Compensating Link Between Diagonal Tension Members And Floor Beam
Photo taken by Historic American Engineering Record
128434
Looking Southeast Showing Truss From Inside The Bridge
Photo taken by Historic American Engineering Record
128435
Oblique View Looking Northwest. Note: Historic Savage Mill In Background
Photo taken by Historic American Engineering Record
128436
View Looking North At End Posts With Diagonal Tension Members. Note: Modern Vehicular Bridge To Right
Photo taken by Historic American Engineering Record
128437
Panel Point In The Bottom Chord, Showing Connection With Diagonal Tension Members
Photo taken by Historic American Engineering Record
128438
Paired End Posts At Mid Span Showing Connection Of Diagonal Tension Members With Anchor Casting
Photo taken by Historic American Engineering Record
128439
Photo taken by Historic American Engineering Record
240293
Bollman Bridge and the mill
Photo taken by Jann Mayer in January 2006
240294
Builder's information
Photo taken by Jann Mayer in January 2006
240295
Cast iron columns
Photo taken by Jann Mayer in January 2006
240296
Looking north
This is one of the few railroad-to-pedestrian bridges that still has the tracks.
Photo taken by Jann Mayer in January 2006
240297
Center column
The two spans appear to be built together as one
Photo taken by Jann Mayer in January 2006
240298
Looking northwest
Photo taken by Jann Mayer in January 2006
240299
Supporting stringers
Photo taken by Jann Mayer in January 2006
322708
Photo taken by David McCardell in October 2014
322709
Photo taken by David McCardell in October 2014
322710
Photo taken by David McCardell in October 2014
322711
Photo taken by David McCardell in October 2014
322712
Photo taken by David McCardell in October 2014
322713
Photo taken by David McCardell in October 2014
322714
Photo taken by David McCardell in October 2014
322715
Photo taken by David McCardell in October 2014
Status: Open to traffic
Location: 39.221917,-76.713167
Carries B&O Railroad over Patapsco River
Design: arch/deck/stone
Design Details: Stone arch
Total Length: 612.0 Feet
Span Length: 0.0 Feet
Overview: Eight-span stone arch bridge over Patapsco River on the B&O Railroad between Relay and Elkridge
History: Built 1835
Built: 1835
Location: Howard County
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137334
Aerial View Looking Southeast
Photo taken by Historic American Engineering Record
137335
Closer In Aerial View Looking Southeast
Photo taken by Historic American Engineering Record
137336
Aerial View Looking Northeast
Photo taken by Historic American Engineering Record
137337
Closer In Aerial View Looking Southeast
Photo taken by Historic American Engineering Record
137338
Aerial View Looking North
Photo taken by Historic American Engineering Record
137339
Aerial View Looking East
Photo taken by Historic American Engineering Record
137340
Aerial View Looking Southwest
Photo taken by Historic American Engineering Record
137341
Ground Level View Looking North, Showing East Side Of Viaduct
Photo taken by Historic American Engineering Record
137342
Track Level View Looking North, Showing Cast-Iron Railing Across Top Of Viaduct
Photo taken by Historic American Engineering Record
137343
Track Level View Looking South, Showing East Side Of Viaduct
Photo taken by Historic American Engineering Record
137344
Telephoto View Of Four Arch Spans On East Side Of Viaduct
Photo taken by Historic American Engineering Record
137345
Detail View Of Single Arch Span Looking East
Photo taken by Historic American Engineering Record
137346
Detail View Of Pier Showing Decorative Stone Pilaster, Looking West
Photo taken by Historic American Engineering Record
137347
Detail View Of Cast-Iron Railing
Photo taken by Historic American Engineering Record
137348
View Of Obelisk Monument On Relay, Maryland, Side Of Viaduct
Photo taken by Historic American Engineering Record
137349
View Of Landmark Plaque With Obelisk Monument In Background
Photo taken by Historic American Engineering Record
240283
Looking northeast along Levering Road
The southernmost arch
Photo taken by Jann Mayer in January 2006
240284
From levering Road
Photo taken by Jann Mayer in January 2006
240285
Arch over Levering Road
Icicles!
Photo taken by Jann Mayer in January 2006
296196
CSX - Thomas Viaduct
Photo taken by Alexander D. Mitchell IV in July 2012
296197
CSX - Thomas Viaduct
Photo taken by Alexander D. Mitchell IV in July 2012
322706
Photo taken by David McCardell in April 2015
322707
Photo taken by David McCardell in April 2015
350019
Photo taken by B&O Publicity Department to celebrate the introduction of the new lightweight trainset for the 'Columbian' train (Jersey City-Washington D.C.) in 1949. Published without any copyright notice.
367703
Published prior to 1923
Status: Open to pedestrians
Location: 39.165622,-76.840926
Carries formerly the Patuxent Branch of the Baltimore and Ohio Railroad, currently carries the Patuxent Branch Trail over Little Patuxent River
Design: truss/through/pratt
Design Details: Bridge has a 35-degree skew.
Total Length: 83.0 Feet
Span Length: 0.0 Feet
Overview: 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
History: Built in 1902 for the B&O Railroad, abandoned in 1925, rehabilitated in 2002 for trail use.
Built: 1902
Location: Howard County
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194256
Overview
http://www.hmdb.org/marker.asp?marker=20498
477902
Photo taken by Patrick Gurwell in December 2017
Status: Demolished
Location: 39.130543,-76.917601
Carries Columbia Turnpike over Patuxent River
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 166.5 Feet
Span Length: 82.2 Feet
Overview: Pratt through truss bridge over Patuxent River on Columbia Turnpike
History: Built in 1883 by Pittsburgh Bridge Company. Replaced by Rt 29 Bridge 1952
Built: 1883
Location: Howard County
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222477
Columbia Tnpk Bridge from Montgomery County (1933)
John T. Dessel
222478
Columbia Turnpike Bridge from Howard County (1933)
John T. Dessel
Status: Open to traffic
Location: 39.296912,-76.781571
Carries Railroad (CSX) over US 40
Design: tunnel
Design Details: Tunnel
Total Length: 810.0 Feet
Span Length: 0.0 Feet
Overview: Tunnel under US 40 on Railroad (CSX)
History:
Built:
Location: Howard County
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455725
CSX - Union Dam Tunnel
Photo from Geocaching
Status: Replaced by a new bridge
Location: 39.249136,-76.764726
Carries Baltimore & Ohio Railroad over Patapsco River
Design: truss/through/bollman
Design Details: Bollman through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Bollman through truss bridge over Patapsco River on Former Baltimore & Ohio Railroad
History: Built 1869 atop washed-out ruins of Patterson Viaduct, replaced 1902-03 by line realignment
Built: 1869
Location: Howard County
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269334
B&O Patterson Bollman Bridge
View of Bollman truss from up-river before 1900
269336
B&O Patterson Bollman Bridge
Bollman truss and Ilchester from south abutment before 1900, with Ellicott Mansion in background
Status: Derelict/abandoned
Location: 39.121751,-76.816712
Carries Railroad over Hammond Branch
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned deck plate girder bridge over Hammond Branch on Railroad
History:
Built:
Location: Howard County
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Status: Removed but not replaced
Location: 39.268060,-76.794144
Carries Streetcar line (Baltimore Traction/Baltimore Transit) over Patapsco River
Design: truss/through
Design Details: Through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pratt through truss bridge over Patapsco River on Streetcar line (Baltimore Traction/Baltimore Transit)
History:
Built:
Location: Howard County
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284045
Ellicott City Streetcar Bridge
Baltimore Transit streetcar 5279 enters Ellicott City westbound from Oella, as viewed from the Baltimore & Ohio RR right of way, ca. 1947. Note the abutments to the former covered bridge at this location to the right, which burned in 1914.
Photo courtesy Lee Rogers Collection, Md. Rail Heritage Library, Baltimore Streetcar Museum
284210
Photo courtesy of Enoch Pratt Free Library Central Library, State Resource Center Baltimore, MD
Status: Open to traffic
Location: 39.267896,-76.794836
Carries CSX Railroad over Main Street
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pony/through plate girder bridge over Main Street on CSX Railroad
History: Built 1931
Built: 1931
Location: Howard County
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284202
Photo taken by John L. Beck
284216
Plaque
Photo taken by Manuel
429410
Ellicott City bridge
2009 photo
Photo taken by Jim Grey
Status: Open to traffic
Location: 39.267746,-76.794847
Carries CSX Railroad over Tiber River and (Formerly) Baltimore & Frederick Turnpike
Design: arch/deck/stone
Design Details: Stone arch
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Stone arch bridge over Tiber River and (Formerly) Baltimore & Frederick Turnpike on CSX Railroad
History: Built 1829, Spans over Baltimore & Frederick Turnpike/Main Street removed 1931 and replaced.
Built: 1829
Location: Howard County
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284208
Photo taken by Frank Monaldo
Status: Destroyed by fire
Location: 39.267801,-76.793054
Carries Main Street over Patapsco River
Design: truss/through/burr
Design Details: Burr arch-truss
Total Length: 200.0 Feet
Span Length: 0.0 Feet
Overview: Lost Through truss bridge over Patapsco River on Main Street
History: Built 1868; Burned 1914
Built: 1870
Location: Howard County
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284209
Photo courtesy of Enoch Pratt Free Library Central Library, State Resource Center Baltimore, MD
Status: Open to traffic
Location: 39.249753,-76.769095
Carries Driveway over Bonnie Branch
Design: truss/pony/lane
Design Details: Lane pony truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lane pony truss bridge over Bonnie Branch on Driveway
History:
Built:
Location: Howard County
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459484
MD 02M 1
Photo taken by Chester Gehman in December 2018
459485
MD 02M 2
Photo taken by Chester Gehman in December 2018
459486
MD 02M 3
Photo taken by Chester Gehman in December 2018
459487
MD 02M 4
Photo taken by Chester Gehman in December 2018
459488
MD 02M 5
Photo taken by Chester Gehman in December 2018
Status: Open to traffic
Location: 39.267414,-76.795858
Carries Tiber Alley over Tiber River
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 38.1 Feet
Span Length: 34.1 Feet
Overview: Steel stringer bridge over Tiber River on Tiber Alley
History: Built 1935; rehabilitated 1984
Built: 1935
Location: Howard County
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Status: Open to traffic
Location: 39.180750,-76.751289
Carries Md 103 over Deep Run
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 40.0 Feet
Span Length: 38.1 Feet
Overview: Concrete tee beam bridge over Deep Run on Md 103
History: Built 1937
Built: 1937
Location: Howard County
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Status: Replaced by a new bridge
Location: 0.000000,0.000000
Carries Md 32 over River Rd, South Branch Patapsco River
Design: girder
Design Details: 35-foot wide aluminum girder system is composed of nine alternately inverted, hollow, triangular box beams.
Total Length: 295.9 Feet
Span Length: 106.0 Feet
Overview: Lost Girder bridge over River Rd, South Branch Patapsco River on Md 32
History: Built 1963
Built: 1963
Location: Howard County
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Status: No longer exists
Location: 39.315570,-76.816155
Carries BO Railroad over Patapsco river
Design: truss/through/bollman
Design Details: 3 111 ft Bollman through trusses
Total Length: 333.0 Feet
Span Length: 111.0 Feet
Overview: Lost Bollman through truss bridge over Patapsco river on BO Railroad
History: Built 1853 lost 1868 due to flooding. Replaced by a bridge of similar design but with an additional span.
Built: 1853
Location: Howard County
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466598
1857 image Bollman Bridge near Elysville, Cumberland B&O
Artists' Excursion Over the Baltimore & Ohio Railroad Photograph Collection
Photo uploaded by Art S.
466602
1870 view
Photo uploaded by Art S.
466603
Elysville MD Bollman
Photo uploaded by Art S.
Status: No longer exists
Location: 39.315612,-76.816139
Carries BO Railroad over Patapsco river
Design: unknown
Design Details:
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Bridge over Patapsco river on BO Railroad
History: Built 1838
Built: 1838
Location: Howard County
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466625
Elysvilletruss
Models of bridge
Photo uploaded by Art S.
Status: No longer exists
Location: 39.315557,-76.816149
Carries BO Railroad over Patapsco river
Design: truss/through/bollman
Design Details: Bollman through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Bollman through truss bridge over Patapsco river on BO Railroad
History: Built 1868
Built: 1868
Location: Howard County
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466621
1870 view
Photo uploaded by Art S.
466622
1880s image of 3d Lower Elysville bridge showing 4th span over millrace
Photo uploaded by Art S.
466623
Nice active drawing of town showing 2 trains passing at the bridge.
Photo uploaded by Art S.
Status: No longer exists
Location: 39.316176,-76.820639
Carries BO Railroad over Patapsco river
Design: truss/through/bollman
Design Details: Bollman through truss
Total Length: 310.0 Feet
Span Length: 0.0 Feet
Overview: Lost Bollman through truss bridge over Patapsco river on BO Railroad
History: Built beginning in 1853, opened in1854
Built: 1854
Location: Howard County
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Status: No longer exists
Location: 39.316146,-76.820634
Carries BO Railroad over Patapsco river
Design: unknown
Design Details:
Total Length: 310.0 Feet
Span Length: 0.0 Feet
Overview: Lost Bridge over Patapsco river on BO Railroad
History: Built 1838
Built: 1838
Location: Howard County
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466626
Models of bridge
Photo uploaded by Art S.
Status: No longer exists
Location: 39.316645,-76.811744
Carries Road over Patapsco river
Design: truss/through/burr
Design Details: Burr arch-truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Burr arch-truss bridge over Patapsco river on Road
History:
Built:
Location: Howard County
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466624
Road bridge to workers houses across river
Photo uploaded by Art S.
Status: Open to traffic
Location: 39.361990,-76.983424
Carries CSX RR over hillside
Design: tunnel
Design Details: Tunnel
Total Length: 240.0 Feet
Span Length: 0.0 Feet
Overview: Tunnel under hillside on CSX RR
History:
Built:
Location: Howard County
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467538
CSX - Sykesville Tunnel
east portal
Photo taken by Steve
Status: Open to traffic on private drive
Location: 39.269107,-76.802340
Carries driveway over Tiber River
Design: truss/pony/pratt
Design Details: Pin-connected, 4-panel Pratt pony truss
Total Length: 61.0 Feet
Span Length: 60.0 Feet
Overview: Pratt pony truss bridge over Tiber River on driveway
History: Built ca 1905; replaced and disassembled 2013; relocated here ca 2016
Built: ca. 1905
Location: Howard County
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Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.
