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Historic Bridges: Jefferson County, New York

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.

Total Bridges Found: 13

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Brownville Bridge
HSRNational HSR. Local HSR.
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Bridge Street (NY-971H) Over Black River in Brownville: Jefferson County, New York, United States
Metal 8 Panel Welded Polygonal Warren Through Truss, Fixed
Length: 185 ft. Main Span: 181 ft. Roadway: 24 ft. Main Spans: 1
Built 1954 By: Unknown
This is a somewhat old example of a welded truss bridge, also welded through trusses are much more uncommon than welded pony truss bridges.
X
Coolidge Road Bridge
HSRNational HSR. Local HSR.
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Coolidge Road Over Indian River in Rural: Jefferson County, New York, United States
Metal Stringer (Multi-Beam), Fixed
Length: 82 ft. Main Span: 39 ft. Roadway: 20 ft. Main Spans: 2
Built 1929 By: Unknown
Utilitarian and deteriorated, this is an unaltered example of a steel stringer bridge with concrete encasement present.
Coon Bridge
HSRNational HSR. Local HSR.
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Coon Bridges Road Over Indian River (West Channel) in Rural: Jefferson County, New York, United States
Metal 3 Panel Rivet-Connected Warren Pony Truss, Fixed
Length: 59 ft. Main Span: 55 ft. Roadway: 15.7 ft. Main Spans: 1
Built 1931 By: Unknown
This is a short but heavy duty pony truss bridge.
Elm Ridge Road Bridge
Anstead Bridge
HSRNational HSR. Local HSR.
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Elm Ridge Road (Abandoned Alignment Over Indian River in Evans Mills: Jefferson County, New York, United States
Metal 7 Panel Pin-Connected Lenticular Through Truss, Fixed
Length: 110 ft. Main Span: 110 ft. Main Spans: 1
Built 1884 By: Berlin Iron Bridge Company of East Berlin, Connecticut
This abandoned bridge is an extremely rare lenticular truss bridge with details unusual even among other lenticular truss bridges.
X
Fish Island Park Bridge
Canal Street Bridge
HSRNational HSR. Local HSR.
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Canal Street Over Black River Channel in Dexter: Jefferson County, New York, United States
Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Fixed
Length: 129 ft. Main Span: 125 ft. Roadway: 24 ft. Main Spans: 1
Built 1937 By: Unknown
It is unclear why a 24 foot wide heavy duty 1930s riveted pony truss could not have been rehabilitated to continue to provide a historic iconic gateway to Fish Island Park.
Ledges Road Bridge
HSRNational HSR. Local HSR.
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Ledges Road Over Mullet Creek in Rural: Jefferson County, New York, United States
Metal 4 Panel Welded Double-Intersection Warren Pony Truss, Fixed
Length: 70 ft. Main Span: 62 ft. Roadway: 21.7 ft. Main Spans: 1
Built By: Unknown
This pony truss is an example of an unusual standard design welded truss found only in New York State.
X
Lowville Road Bridge
HSRNational HSR. Local HSR.
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Lowville Road (CR-69) Over Sandy Creek in Rural: Jefferson County, New York, United States
Metal 7 Panel Welded Camelback Pony Truss, Fixed
Length: 110 ft. Main Span: 104 ft. Roadway: 20 ft. Main Spans: 1
Built 1941 By: Unknown
This was a good example of a fairly old welded truss bridge from the mid 20th century.
Mathers Mill Road Bridge
HSRNational HSR. Local HSR.
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Mathers Mill Road Over Sandy Creek in Rural: Jefferson County, New York, United States
Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 114 ft. Main Span: 110 ft. Roadway: 15.7 ft. Main Spans: 1
Built 1894 By: Groton Bridge Company of Groton, New York
This outstanding example of a Groton Bridge Company through truss featuring one of the company's ornate plaque designs has been preserved in place for pedestrian use.
St. Lawrence Division Indian River Railroad Bridge
HSRNational HSR. Local HSR.
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Railroad (CSX) Over Indian River and Coolidge Road (CR-30) in Rural: Jefferson County, New York, United States
Metal Deck Girder, Fixed
Main Spans: 2
Built By: King Bridge Company of Cleveland, Ohio
This bridge appears to be the work for a noteworthy bridge builder.
Taylor Road Bridge
HSRNational HSR. Local HSR.
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Taylor Road Over Mill Creek in Rural: Jefferson County, New York, United States
Metal 2 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed
Length: 26 ft. Main Span: 24 ft. Roadway: 13 ft. Main Spans: 1
Built 1894 By: Groton Bridge Company of Groton, New York
This tiny bridge is an example of one of the shortest possible truss bridges.
Thousand Islands Bridge
International Rift Bridge
HSRNational HSR. Local HSR.
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I-81 and KH-137 Over St. Lawrence River (Fleuve Saint-Laurent) (International Rift) in Rural: Leeds and Grenville United Counties, Ontario and Jefferson County, New York, Canada and United States
Concrete (Stone Faced) Rigid-Frame, Fixed
Length: 102 ft. Main Span: 96 ft. Roadway: 30 ft. Main Spans: 1
Built 1938 By: R. A. Blythe of Toronto, Ontario
This central portion of the Thousand Islands Bridge system is noted as one of the smallest international bridges.
!
Thousand Islands Bridge
South Channel (American) Bridge
HSRNational HSR. Local HSR.
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I-81 Over St. Lawrence River (Fleuve Saint-Laurent) South Channel in Rural: Jefferson County, New York, United States
Metal Plate Girder Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Deck Girder, Fixed
Length: 4,500 ft. Main Span: 800 ft. Roadway: 24 ft. Main Spans: 3
Built 1937 By: American Bridge Company of New York, New York and Robinson and Steinman of New York, New York
This southern portion of the Thousand Islands Bridge system features the largest span of the bridge system.
Worden Road Bridge
HSRNational HSR. Local HSR.
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Worden Road Over Sandy Creek in Rural: Jefferson County, New York, United States
Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed
Length: 130 ft. Main Span: 68 ft. Roadway: 11.2 ft. Main Spans: 2
Built 1910 By: F. W. Sage of Rochester, New York
This bridge consists of two slightly different pony truss spans.

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