Mercer County

Alexander Road Bridge   [Map · Street View]
Pony truss bridge over Stony Brook on Alexander Road
Open to traffic
Built 1905; rehabilitated 1990 replaced within the past 10 years
Alexander Road Canal Swing Bridge (A-frame)   [Map]
Lost Bridge over Delaware & Raratan Canal on Alexander Road
Replaced by a new bridge
Alexander Road Canal Swing Bridge (King post)   [Map]
Lost Bridge over Delaware & Raratan Canal on Alexander Road
Replaced by a new bridge
Amtrak - Lincoln Ave/Chambers Street Bridge   [Map · Street View]
Pony/through plate girder bridge over Amtrak & Assunpink Creek on Lincoln Ave (Co626)
Open to traffic
Built 1931; rehabilitated 1965
Amtrak - Route 29 Overpass   [Map · Street View]
Stone arch bridge over Northbound NJ 29 on the Amtrak Northeast Corridor
Open
Built 1903
Amtrak - Route 29 Overpass   [Map · Street View]
Stone arch bridge over Route 29 on Amtrak
Open to traffic
Anchor Thread Bridge   [Map]
Lost Pratt through truss bridge over Crosswicks Creek on Groveville Road
Replaced by a new bridge
Built 1882; Replaced 1981
Assunpink Creek Bridge   [Map · Street View]
Stone arch bridge over Assunpink Creek on US 206 (Broad Street) in Trenton
Open to traffic
Built 1900; rehabilitated 1904
Assunpink Creek Bridge   [Map · Street View]
Stone arch bridge over Assunpink Creek on CR 635 in Trenton
Open to traffic
Built 1900; rehabilitated 1966
Baldwins Creek Bridge   [Map]
Abandoned bridge over Baldwins Creek on Knowles Road
Derelict/abandoned
Bear Tavern Bridge   [Map · Street View]
Through truss bridge over Jacobs Creek on Bear Tavern Road (CR 579)
New bridge open; Truss portal and sway bracing widened then placed as non-functional decoration over new Valley Road bridge
Built 1882 by the King Bridge Co.; rehabilitated 1950; closed to traffic Sept. 2009
Beden's Brook Bridge   [Map]
Lost pony truss bridge over Beden's Brook on Province Line Road
No longer exists
Built 1888; replaced 2000
Calhoun Street Bridge   [Map · Street View]
Through truss bridge over Delaware River on Calhoun Street/Trenton Avenue
Open to traffic
Built 1884 by the Phoenix Bridge Co.; rehabilitated 2010
Calhoun Street Bridge (covered)   [Map]
Lost Burr arch-truss bridge over Delaware River on Calhoun Street
Destroyed by fire
Carnegie Lake Bridge   [Map · Street View]
Concrete arch bridge over Carnegie Lake on Washington Road
Open to traffic
Built 1905; rehabilitated (widened from 1 lane to two in 1938
Carnegie Lake Bridge (Harrison Street)   [Map · Street View]
Steel arch bridge over Carnegie Lake on harison Street
Open to traffic
Carnegie Road D&R Canal Bridge   [Map · Street View]
Timber stringer bridge over Delaware & Raritan Canal on Carnegie Road
Open to traffic
Built 1951
Church Road Swing Bridge   [Map]
Lost Bridge over Delaware & Raritan Canal (Feeder) on Church Road
Replaced by a new bridge
Clinton Avenue Bridge   [Map]
Stone arch bridge over Assunpink Creek on S. Clinton Avenue in Trenton
Open to traffic
Built 1869
CSX - Glenmoore Railroad Bridge   [Map · Street View]
Closed-spandrel arch bridge over Stony Brook on CSX Railroad
Open to traffic
Built 1915;
Delaware & Raritan Canal Trail - Parkside Avenue Overpass   [Map · Street View]
Bridge over Parkside Avenue on Delaware and Raritan Canal State Park Trail
Open to pedestrians only
Delaware and Raritan Canal Bridge - Harrison Street   [Map]
Lost Bridge over Delaware & Raritan Canal on Harrison Street
No longer exists
Delaware and Raritan Canal Millstone River Aqueduct   [Map · Street View]
Aqueduct over Millstone River on D&R Canal
Open to pedestrians only
Delaware Avenue Bridge   [Map · Street View]
Wooden bridge over Trenton Line on W. Delaware Avenue in Pennington
Open to traffic
Built 1914; rehabilitated 1975
Doctor's creek bridge
Lost Half-hip Pratt pony truss bridge over Doctor's Creek on Grovevillle-Allenown Road
No longer exists
built around 1882 over Jacobs Creek on Washington Crossing-Pennington Road in Hopewell. Relocated here in 1930, replacing the prior 1871 structure. Removed in 2001
Doctors Creek Bridge   [Map]
Lost pony truss bridge over Doctors Creek
No longer exists
Built 1871 replaced in 1930
Doctors Creek Bridge   [Map]
Lost warren pony truss bridge over Doctors Creek on Crosswicks Ham. Sq.
No longer exists
Built 1915; rehabilitated 1966; replaced 2000
Dublin Road Bridge   [Map · Street View]
Bridge over Branch of Woolsey Brook on Dublin Road
Intact but closed to all traffic - being replaced
Grant Street Swing Bridge   [Map]
Lost Bridge over Delaware & Raritan Canal (Feeder) on Grant Street
Replaced by a new bridge
Harrison Street Bridge   [Map]
Lost Iron arch bridge over Carnegie Lake (Stony Brook) on Harrison Street
Replaced by a new bridge
Built 1906
Hunter Road Bridge   [Map]
Pony truss bridge over Moores Creek on Hunter Road
Closed to all traffic
Built 1889
Iron Bridge Road Bridge   [Map · Street View]
Pony truss bridge over Crosswicks Creek on Iron Bridge Road
Open to traffic
Abutments built 1868; Abutments rehabilitated, altered the superstructure (iron part) replaced in1924 with the (used, 1905?) present structure
Jackson Street Bridge   [Map · Street View]
Pratt through truss bridge over Assunpink Creek on Jackson Street
Open to pedestrians only
Built 1888
Jacobs Creek Bridge   [Map · Street View]
Stone arch bridge over Jacobs Creek on NJ 29
Open to traffic
Built 1832; rehabilitated 1941
Jacobs Creek Road Bridge   [Map · Street View]
Stone arch bridge over Woolsey Brook tributary on Jacobs Creek Road
Open to traffic
Built in 1871 for the Mercer & Somerset RR. Subsequently converted to road use and expanded
John A Roebling's Sons Co. office buildings skybridge   [Map · Street View]
Wire suspension bridge over courtyard on pedestrian pathway
Intact but closed to all traffic
John Fitch Way Tunnel   [Map · Street View]
Tunnel on John Fitch Way
Open to traffic
Lower Trenton Bridge (1806)   [Map]
Lost Tied Arch Covered Bridge over Delaware River
Replaced by a new bridge
Built 1804-1806; widened and railroad tracks added 1839 (some info says 1835)
Lower Trenton Bridge (1875)   [Map]
Lost Pratt through truss bridge over Delaware River on PRR
Superstructure replaced
rebuilt 1876, 1892, 1898
Lower Trenton Bridge (1928)   [Map · Street View]
Through truss bridge over Delaware River on Alt US 1 in Morrisville
Open to traffic
Built 1928; rehabilitated 1969 and 2005
Mercer & Somerset - Stony Brook Bridge   [Map]
Lost Bridge over Stony Brook on Mercer & Somerset RR
No longer exists
Built 1871
Mercer & Somerset RR Bridge   [Map · Street View]
Lost Bridge over Scotch Road on Mercer & Somerset RR
No longer exists
Built 1871
Millstone River Bridge   [Map]
Stone arch bridge over Millstone River on Old NJ 27
Open to traffic
Millstone River Bridge - Kingston   [Map]
Stone arch bridge over Millstone River on Old alignment of the King's Highway - Lincoln Highway - Rt. 27
Open to traffic
Built 1798
Mine Road Bridge   [Map · Street View]
Through truss bridge over Stony Brook on Mine Road
Intact but closed to all traffic
Built 1885; rehabilitated 1976; rehabilitated ~2011,portal damaged by falling tree in 2017 - closed since
Montgomery Street Bridge   [Map]
Stone arch bridge over Assunpink Creek on Montgomery Street in Trenton
Open to traffic
Built 1900; rehabilitated 1950
Moores Creek Bridge   [Map]
2 span stone arch bridge over Moores Creek on NJ 29
Open to traffic
Built 1832; rehabilitated 1917
Moores Station Quarry Bridge   [Map · Street View]
Abandoned bridge over Delaware & Raritan Canal (Feeder) on PC Railroad
Derelict/abandoned
Morrisville-Trenton Railroad Bridge   [Map · Street View]
Stone arch bridge over Delaware River on Amtrak Northeast Corridor
Open to traffic
Built 1903
NJTR - Delaware & Raritan Canal Bridge   [Map]
Deck plate girder bridge over Delaware & Raritan Canal on NJT Princeton Branch
Open to traffic
Old Harrison Road Bridge   [Map]
Lost Bridge over Millstone River on Old Harrison Road
No longer exists
Peddie Lake Bridge   [Map]
Through truss bridge over Peddie Lake on East Ward Avenue in Hightstown
Open to traffic
Built 1896 by New Jersey Steel & Iron; rehabilitated 1969
Pennington Railroad Bridge   [Map]
Bridge over Baldwins Creek on CSX Railroad
Pleasant Valley - Harbourton Road Bridge   [Map · Street View]
Bridge over Moores Creek on Pleasant Valley - Harbourton Road
Open to traffic
Private Farm Bridge off Pleasant Valley Road   [Map · Street View]
Abandoned bridge over Moore's Creek on Private Farm Road
Derelict/abandoned
Province Line Road Bridge   [Map]
Pony truss bridge over Stony Brook on Province Line Road
Open to pedestrians only
Built 1903
Rocky Brook Bridge   [Map]
Stone arch bridge over Rocky Brook on NJ 33 in Hightstown
Open to traffic
Built 1907; rehabilitated 1981
Scudder Falls Bridge   [Map · Street View]
Haunched deck plate girder bridge over Delaware River on Interstate 295 in Lower Makefield Township
Replaced by a new bridge
Built 1959, replacing a washed-out Truss Bridge; rehabilitated 1981; Replaced 2019
SEPTA - West Trenton Railroad Bridge   [Map · Street View]
Concrete arch bridge over Delaware River on SEPTA/CSX Railroad
Open
Built 1912, second bridge at this crossing
Shipetaukin Creek Bridge   [Map]
Concrete arch bridge over Shipetaukin Creek on Carter Road (CR 569)
Open to traffic
Built 1921
Shipetaukin Creek Bridge   [Map]
Concrete arch bridge over Shipetaukin Creek on US 206
Open to traffic
Built 1923
Shipetaukin Creek Bridge   [Map]
Lost truss bridge over Shipetaukin Creek on Fackler Road (CR 569)
No longer exists
South Clinton Avenue Bridge   [Map · Street View]
Through truss bridge over Amtrak NE Corridor on South Clinton Avenue in Trenton
Open to traffic
Built 1890; rehabilitated 1983
Southard Street Viaduct Bridge   [Map · Street View]
Lost Concrete stringer bridge over Delaware & Raritan Canal on Southard Street Viaduct
Replaced by a new bridge
Built 1922
Stony Brook Bridge   [Map · Street View]
Stone arch bridge over Stony Brook on US 206
Open to traffic
Built 1792
Stony Brook Bridge - Princeton Pike   [Map]
Stone arch bridge over Stony Brook on CR 583
Open to traffic
Built 1809; rehabilitated 1979
Sullivan Way Bridge   [Map · Street View]
Concrete rigid frame bridge over Sullivan Way on D&R Canal and frmr Penn Central RR
Open to traffic
Trenton-Morrisville Toll Bridge   [Map · Street View]
Steel stringer bridge over Delaware River, PA32,NJ29 on Us 1
Open to traffic
Built 1952; rehabilitated 2009
Valley Road Bridge   [Map · Street View]
Bridge over Moores Creek on Valey Road
Open to traffic
Valley Road Bridge   [Map]
Steel stringer bridge with truss decorations over Moore's Creek on Valley Road
Replaced by a new bridge
Built 1973
Valley Road Bridge - OLD   [Map]
Lost Pratt through truss bridge over Moores Creek on Valley Road
Replaced by a new bridge
Built 1880's
Washington Crossing Bridge   [Map · Street View]
Through truss bridge over Delaware River on PA 32-NJ 29
Open to traffic
Built 1904
Washington Crossing Pennington Road Bridge - OLD   [Map]
Lost Bridge over Jacobs Creek on Washington Crossing Pennington Road
No longer exists
Built around 1882. Removed and relocated to Groveville-Allentown Road over Doctors creek in 1930. Lost in 2001
Washington's Crossing Delaware River Bridge Covered (1st)   [Map]
Lost Bridge over Delaware River
Destroyed by disaster
Built 1834
Washington's Crossing Delaware River Bridge Covered (2nd)   [Map]
Lost Bridge over Delaware River on Washington Crossing Pennington Road
Destroyed by flooding
Waste Weir   [Map · Street View]
Wire suspension bridge over A waste weir of the Delaware And Raritan Canal on Pedestrian pathway
Open to bicyclists & pedestrians only
Woolsey Brook Bridge   [Map · Street View]
Bridge over Woolsey Brook on Washington Crossing Pennington Bridge
Open to traffic
Yardley-Wilburtha Bridge   [Map]
Lost Warren through truss bridge over Delaware River on Unknown in Yardley
Destroyed by flood
Built 1903 after wooden bridge destroyed, half destroyed by flooding in 1955, reopened using Bailey truss spans, replaced in by Scudder Falls Bridge, removed in 1961
Yardley-Wilburtha Bridge (covered)   [Map]
Lost Burr arch-truss bridge over Delaware River
Destroyed by flooding
Built 1835
Yardleyville Centennial Bridge   [Map]
Lost Whipple deck truss bridge over Delaware River
Replaced by a new bridge
Built 1875; Replaced 1912