Ponakin Bridge

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Ponakin Bridge
Ponakin Bridge.jpg
Ponakin Bridge, 1979
Ponakin Bridge is located in Massachusetts
Ponakin Bridge
Nearest city Lancaster, Massachusetts
Coordinates 42°28′52″N 71°41′9″W / 42.48111°N 71.68583°W / 42.48111; -71.68583Coordinates: 42°28′52″N 71°41′9″W / 42.48111°N 71.68583°W / 42.48111; -71.68583
Built 1871
Architect Watson Manufacturing Co.
Architectural style Other
NRHP Reference #


Added to NRHP September 10, 1979

The Ponakin Bridge is a historic Post truss bridge in Lancaster, Massachusetts. The bridge was built in 1871, and originally carried the main north-south road (now Ponakin Road), which was bypassed by the construction of Massachusetts Route 70.[2] It is now unsafe and closed even to pedestrians.

The bridge trusses consist of eight paneled sections with a total span of 100 feet (30 m) and a width of 20 feet (6.1 m). It rests on granite stone abutments. The decking consists of a base of cross timbers which are attached to the trusses, with wood stringers, then transverse cross timbers, and finally three inch deck planking.[2]

The bridge was listed on the National Register of Historic Places in 1979.[1]

See also[edit]


  1. ^ a b Staff (2008-04-15). "National Register Information System". National Register of Historic Places. National Park Service. 
  2. ^ a b "NRHP nomination for Ponakin Bridge". Commonwealth of Massachusetts. Retrieved 2014-03-31. 
The bridge in 2012