19th Century (7,569)
Ashland, Massachusetts (4)
Boston & Albany Railroad (100)
Built 1891 (228)
Built during 1890s (2,983)
Lost (24,760)
Lost 1990 (182)
Lost during 1990s (3,985)
Massachusetts (1,106)
Middlesex County, Massachusetts (243)
Outrigger sway braces (31)
| Pony truss (16,189)
R.F. Hawkins Iron Works (20)
Replaced by new bridge (16,598)
Riveted (2,167)
Span length 50-75 feet (10,077)
Total length 50-75 feet (9,300)
Truss (32,807)
W.G.S. Chamberlain (4)
Warren pony truss (3,360)
Warren pony truss with no verticals (50)
Warren truss (6,568)
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