13-panel truss (20)
19th Century (8,687)
Built 1893 (243)
Built during 1890s (3,224)
Deck truss (1,946)
Inclined (10)
Lost (29,180)
Lost 1930 (116)
Lost during 1930s (953)
Massachusetts (1,207)
| Merrimack River (60)
Middlesex County, Massachusetts (258)
Owned by county (21,658)
Pin-connected (4,894)
Pony truss (17,093)
Replaced by new bridge (19,830)
Truss (36,037)
Whipple deck truss (30)
Whipple truss (475)
|