| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| AuSable Chasm Bridge | US 9 over AuSable River | Open to traffic | Steel arch | 1934 | -- | 126.0 | 410.8 |
| Bridge Street Bridge | Bridge Street over Saranac River | Open to traffic | Closed-spandrel arch | 1930 | -- | 50.9 | 165.7 |
| Bridge Street Bridge | Bridge Street over Saranac River | No longer exists | Lenticular pony truss | 1885 | 1930 | -- | -- |
| Cannon Corners Road Bridge | Cannon Corners Road over North Branch Great Chazy River | Open to traffic | Deck arch | 1930 | -- | 65.0 | 66.9 |
| Carpenter's Flats Bridge | US 9 over AuSable River | Open to traffic | Polygonal Warren through truss with all verticals | 1941 | -- | 254.9 | 254.9 |
| Chazy Landing Ferry | Ferry over Lkae Champlain | Closed | Ferry | -- | -- | -- | -- |
| Chazy River Bridge | State Road over Chazy River | Replaced by a new bridge | Pony truss | -- | -- | -- | -- |
| CP - Ausable River Bridges | Canadian Pacific Railway over Ausable River | Open to traffic | Warren through truss | 1913 | -- | -- | -- |
| CP - I 87 Northway Bridge | Canadian Pacific Railway over Rte I87 | Open to traffic | Pony/through plate girder | 1959 | -- | 121.7 | 380.9 |
| CP - NY9 Overpass | Delaware & Hudson over Rte 9 | Open to traffic | Pony/through plate girder | 1931 | -- | 9.2 | 110.9 |
| CP - Rte 9 Bridge | Canadian Pacific Railway over US Rte 9 | Open to traffic | Girder | 1930 | -- | 56.8 | 56.8 |
| CP - Saranac River Bridge | Canadian Pacific Railroad over Saranac River | Open to traffic | Deck plate girder | -- | -- | -- | -- |
| CP - US 9 Bridge( N. Chazy) | Canadian Pacific Railway over US Rte 9 | Open to traffic | Girder | 1934 | -- | 110.9 | 110.9 |
| CP - US11 Overpass | Delaware & Hudson over Rte 11 | Open to traffic | Deck plate girder | 1935 | -- | 40.7 | 40.7 |
| CP - Willsboro Tunnel | Canadian Pacific Railway under hillside | Open to traffic | Tunnel | -- | -- | -- | -- |
| Delaware & Hudson Bridge (Marina Access) | Marina Access Road over Delaware & Hudson | Open to traffic | Pony truss | 1940 | -- | 65.0 | 66.9 |
| DH - Lapham Mills Bridge | D&H Au Sable Branch over Little Ausable River | Derelict/abandoned | Deck plate girder | -- | -- | -- | -- |
| DH - Little Ausable River Bridge | D&H Au Sable Branch over Little Ausable River | Derelict/abandoned | Deck plate girder | -- | -- | -- | -- |
| Ellenburg Pedestrian Bridge | Sidewalk over North Branch Great Chazy River | Open to pedestrians only | Steel arch | -- | -- | -- | -- |
| Elm Street Bridge | Elm Street over Great Chazy River | Replaced by a new bridge | Pony truss | -- | 1932 | -- | -- |
| Gero Road Bridge | Gero Road over North Branch Great Chazy | Open to traffic | Stone arch | 1900 | -- | 49.9 | 107.9 |
| Great Chazy Rive Bridge | Emery Road over Great Chazy River | No longer exists | Pony truss | -- | 2002 | 68.9 | 69.9 |
| Great Chazy River Bridge | US 9 over Great Chazy River | Open to traffic | Pony truss | 1932 | -- | 116.8 | 119.8 |
| Great Chazy River Bridge | East Street (CR 34) over Great Chazy River | Open to pedestrians only | Whipple through truss | 1888 | -- | 181.8 | 182.8 |
| Great Chazy River Bridge | Dubois - Webb Road over Great Chazy River | Open to traffic | Pony truss | 1991 | -- | 119.8 | 123.7 |
| Great Chazy River Bridge | NY 9B over Great Chazy River | Open to traffic | Pony truss | 1930 | -- | 109.9 | 114.8 |
| KAC&LC - Ausable Chasm Bridge | K,AC&LC Railroad over Ausable River/Chasm | Removed but not replaced | Pratt deck truss | 1890 | 1924 | -- | 250.0 |
| Keeseville Stone Arch Bridge | Main Street over AuSable River | Open to traffic | Stone arch | 1843 | -- | 90.9 | 108.9 |
| Keeseville Suspension Bridge | Pedestrian walkway over AuSable River | Open to pedestrians | Wire suspension | 1888 | -- | 240.0 | -- |
| Kinsley Road Bridge | Kinsley Road over Little Chazy River | Open to traffic | Pony truss | 1910 | -- | 31.8 | 32.8 |
| Little AuSable River Bridge | Calkins Road (CR 40) over Little AuSable River | Open to traffic | Timber stringer | 1940 | -- | 21.0 | 22.0 |
| Little Chazy River Bridge | CR 25 over Little Chazy River | Open to traffic | Deck arch | 1909 | -- | 29.9 | 32.8 |
| Main Street-Little Ausable River Bridge (Replacement) | Rte 22 over Little Ausable R. | Open to traffic | Steel stringer | 1974 | -- | 123.7 | 128.0 |
| Margaret Street Bridge | Margaret Street over Dead Creek | No longer exists | Deck arch | 1936 | 2005 | 33.8 | 33.8 |
| Miller Road Bridge | Miller Road (Abandonded) over North Branch Great Chazy River | Road has been abandoned. Looks like its used for pedestrian crossings however | Steel stringer | 1940 | -- | 34.1 | 60.0 |
| North Branch Great Chazy River Bridge | Big Hill Road over North Branch Great Chazy River | Closed to all traffic | Pony truss | 1904 | -- | 88.9 | 89.9 |
| Old Route 11 Marble River Bridge | abandoned alignment of U.S. 11 over Marble River | Open to pedestrians only | Half-hip Pratt pony truss | -- | -- | -- | -- |
| Old State Road Bridge | Old State Road over AuSable River | Closed to all traffic | Pratt pony truss | 1890 | -- | 68.9 | 135.8 |
| Oxbow Bridge | Kents Falls Road over Saranac River | Confirmed demolished in 2020 | Pennsylvania through truss | 1898 | 2020 | 178.2 | 180.1 |
| Palmer Brook Bridge | Golf Course Road over Palmer Brook | Open to traffic | Closed-spandrel arch | 1938 | -- | -- | 25.0 |
| Physicians Hospital Bridge | Hospital Entrance over Pond | Open to traffic | Stone arch | 1926 | -- | -- | -- |
| Pup Hill Bridge | Pup Hill Road over Saranac River | Intact but closed to all traffic | Bailey pony truss | 1988 | -- | 118.8 | 199.8 |
| Pup Hill Bridge (Old) | Pup Hill Road over Saranac River | Replaced by a new bridge | Pennsylvania through truss | 1906 | 1988 | 200.0 | -- |
| Rouses Point Bridge (circa late 1930s) | US Route 2 over Lake Champlain | Replaced by a new bridge | Parker through truss | -- | 1987 | -- | -- |
| RUT - Mooers Forks Bridge | Rutland Railroad over North Branch Chazy River | Removed but not replaced | Lattice deck truss | -- | 1964 | -- | -- |
| RUT/CV - Rouses Point Bridge | Rutland Railroad/Central Vermont Railroad over Lake Champlain | Mostly Removed | Howe through truss | 1906 | 1965 | -- | -- |
| RUT/CV Rouses Point Bridge (Old) | Rutland RR over Lake Champlain | No longer exists | Pratt through truss | -- | -- | -- | -- |
| Saranac River Bridge | NY 22B over Saranac River | Replaced by a new bridge | Warren through truss with sub-panels | 1948 | 2015 | 159.8 | 165.7 |
| Saranac River Pedestrian Bridge | Pedestrian Path over Saranac River | Open to pedestrians only | Wire suspension | -- | -- | 200.0 | 370.0 |
| Saranac Street Bridge | Saranac Street over Saranac River | Intact but closed to all traffic | Warren pony truss | 1909 | -- | 70.0 | 150.0 |
| Slosson Road Bridge | Slosson Road over Little Chazy River | Open to traffic | Timber stringer | 1920 | -- | 25.9 | 29.9 |
| Soper Road Bridge | Soper Road over Saranac River | Intact but closed to all traffic | Pratt through truss | 1910 | -- | 149.9 | 150.9 |
| Standish Road Bridge | Standish Road over Separator Brook | Open to traffic | Steel arch | 1937 | -- | 19.7 | 24.0 |
| Turnpike Extension Bridge | Turnpike Extension over Salmon River | Open to traffic | Deck arch | 1929 | -- | 44.0 | 46.9 |
| Union Falls Road Bridge | Union Falls Road over Saranac River | Open to traffic | Through truss | 1937 | -- | 119.8 | 122.7 |
| Upper Keeseville Bridge | River Street over AuSable River | Closed to all traffic | Pratt through truss | 1878 | -- | 107.9 | 217.9 |
| West Branch Ausable River Bridge (Old) | Main Street over Ausable River | Replaced by a new bridge | Lenticular through truss | -- | 1931 | -- | -- |
| West Branch AuSable River Bridge (Replacement) | US 9N over West Branch AuSable River | Open to traffic | Polygonal Warren pony truss with alternating verticals | 1931 | -- | 103.7 | 107.9 |