Ponakin Bridge: Difference between revisions

	Ponakin Bridge
	U.S. National Register of Historic Places
	Ponakin Bridge, 1979
Location	Nashua River between Ponakin Road and MA 70, Lancaster, Massachusetts
Coordinates	42°28′52″N 71°41′07″W / 42.48111°N 71.68528°W
Area	less than one acre
Built	1871
Architect	Watson Manufacturing Co.
Architectural style	Post truss
NRHP reference No.	79000378
Added to NRHP	September 10, 1979

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The Ponakin Bridge is a historic Post truss bridge spanning the Nashua River in northern 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, with a design once common but now extremely rare, was listed on the National Register of Historic Places in 1979.^[1]

Description and history

The Ponakin Bridge is located in a rural setting several miles north of the village center of Lancaster, spanning the Nashua River in a roughly east–west orientation between Massachusetts Route 70 and Ponakin Road, a dead-end residential street paralleling the river's west bank. 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 formed out of rough-cut stone 20 feet (6.1 m) long. 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. The truss panels have pinned end diagonals that are under compression, diagonal bars spanning two panels under tension.^[2]

The bridge was built in 1871 for town by the Watson Manufacturing Company of Paterson, New Jersey. It was built at a location where wooden bridges had stood since the 17th century, on the major road leading north from Lancaster. The route was bypassed by the present alignment of Route 70 in 1965. The bridge design was patented about 1866 by Simon S. Post, and was one of the major bridge forms used in developing the national railroad network, including major crossings such as that of the Union Pacific Railroad over the Missouri River.^[2] The bridge deck is now compromised, and the bridge has been closed to all forms of traffic.

References

^ ^a ^b "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
^ ^a ^b ^c "NRHP nomination for Ponakin Bridge". Commonwealth of Massachusetts. Retrieved 2014-03-31.

External links

Historic American Engineering Record (HAER) No. MA-13, "Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA", 19 photos, 6 measured drawings, 25 data pages, 2 photo caption pages

[nris-1] "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.

[NRHP-2] "NRHP nomination for Ponakin Bridge". Commonwealth of Massachusetts. Retrieved 2014-03-31.

[1]

[2]

@@ Line 1: / Line 1: @@
 {{Infobox NRHP
-  | name =Ponakin Bridge
+| name         = Ponakin Bridge
-  | nrhp_type =
+| nrhp_type    =
-  | image = Ponakin Bridge.jpg
+| image        = Ponakin Bridge.jpg
-  | caption = Ponakin Bridge, 1979
+| caption      = Ponakin Bridge, 1979
-  | location= [[Nashua River]] between Ponakin Rd. and [[Massachusetts Route 70|MA 70]], [[Lancaster, Massachusetts]]
+| location     = [[Nashua River]] between Ponakin Road and [[Massachusetts Route 70|MA 70]], [[Lancaster, Massachusetts]]
-  | coordinates = {{coord|42|28|52|N|71|41|9|W|display=inline,title}}
+| coordinates  = {{coord|42|28|52|N|71|41|07|W|display=inline,title}}
-  | locmapin = Massachusetts#USA
+| locmapin     = Massachusetts#USA
-  | area =less than one acre
+| area         = less than one acre
-  | built ={{start date|1871}}
+| built        = {{start date|1871}}
-  | architect= Watson Manufacturing Co.
+| architect    = Watson Manufacturing Co.
-  | architecture= Post truss
+| architecture = Post truss
- | added = September 10, 1979
+| added        = September 10, 1979
+| refnum       = 79000378<ref name="nris">{{NRISref|2008a}}</ref>
- | governing_body = Local
- | refnum=79000378<ref name="nris">{{NRISref|2008a}}</ref>
 }}
-The '''Ponakin Bridge''' is a historic Post truss bridge spanning the [[Nashua River]] in northern [[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]].<ref name=NRHP>{{cite web|url=http://mhc-macris.net/Details.aspx?MhcId=LAN.900|title=NRHP nomination for Ponakin Bridge|publisher=Commonwealth of Massachusetts|accessdate=2014-03-31}}</ref>  It is now unsafe and closed even to pedestrians.  The bridge, with a design once common but now extremely rare, was listed on the [[National Register of Historic Places]] in 1979.<ref name="nris"/>
+The '''Ponakin Bridge''' is a historic Post truss bridge spanning the [[Nashua River]] in northern [[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]].<ref name=NRHP>{{cite web|url=https://mhc-macris.net/details?mhcid=lan.900|title=NRHP nomination for Ponakin Bridge|publisher=Commonwealth of Massachusetts|access-date=2014-03-31}}</ref> It is now unsafe and closed even to pedestrians. The bridge, with a design once common but now extremely rare, was listed on the [[National Register of Historic Places]] in 1979.<ref name="nris"/>
 ==Description and history==
-The Ponakin Bridge is located in a rural setting several miles north of the village center of Lancaster, spanning the Nashua River in a roughly east-west orientation between [[Massachusetts Route 70]] and Ponakin Road, a dead-end residential street paralleling the river's west bank.  The bridge trusses consist of eight paneled sections with a total span of {{convert|100|ft|m}} and a width of {{convert|20|ft|m}}.  It rests on granite stone abutments formed out of rough-cut stone {{convert|20|ft|m}} long.  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.  The truss panels have pinned end diagonals that are under compression, diagonal bars spanning two panels under tension.<ref name=NRHP/>
+The Ponakin Bridge is located in a rural setting several miles north of the village center of Lancaster, spanning the Nashua River in a roughly east–west orientation between [[Massachusetts Route 70]] and Ponakin Road, a dead-end residential street paralleling the river's west bank. The bridge trusses consist of eight paneled sections with a total span of {{convert|100|ft|m}} and a width of {{convert|20|ft|m}}. It rests on granite stone abutments formed out of rough-cut stone {{convert|20|ft|m}} long. 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. The truss panels have pinned end diagonals that are under compression, diagonal bars spanning two panels under tension.<ref name=NRHP/>
 [[Image:LancasterMA PonakinBridge 5.jpg|thumb|left|The bridge in 2012]]
-The bridge was built in 1871 for town by the Watson Manufacturing Company of [[Paterson, New Jersey]].  It was built at a location where wooden bridges had stood since the 17th century, on the major road leading north from Lancaster.  The route was bypassed by the present alignment of Route 70 in 1965.  The bridge design was patented about 1866 by Simon S. Post, and was one of the major bridge forms used in developing the national railroad network, including major crossings such as that of the [[Union Pacific Railroad]] over the [[Missouri River]].<ref name=NRHP/>  The bridge deck is now compromised, and the bridge has been closed to all forms of traffic.
+The bridge was built in 1871 for town by the Watson Manufacturing Company of [[Paterson, New Jersey]]. It was built at a location where wooden bridges had stood since the 17th century, on the major road leading north from Lancaster. The route was bypassed by the present alignment of Route 70 in 1965. The bridge design was patented about 1866 by Simon S. Post, and was one of the major bridge forms used in developing the national railroad network, including major crossings such as that of the [[Union Pacific Railroad]] over the [[Missouri River]].<ref name=NRHP/> The bridge deck is now compromised, and the bridge has been closed to all forms of traffic.
 ==See also==
 *[[Atherton Bridge]]
+*[[List of bridges documented by the Historic American Engineering Record in Massachusetts]]
 *[[List of bridges on the National Register of Historic Places in Massachusetts]]
 *[[National Register of Historic Places listings in Worcester County, Massachusetts]]
@@ Line 31: / Line 31: @@
 ==References==
 {{reflist}}
+==External links==
+*{{HAER |survey=MA-13 |id=ma1172 |title=Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA |photos=19 |dwgs=6 |data=25 |cap=2}}
 {{commons category}}
@@ Line 37: / Line 40: @@
 [[Category:Road bridges on the National Register of Historic Places in Massachusetts]]
 [[Category:Bridges in Worcester County, Massachusetts]]
-[[Category:Road bridges in Massachusetts]]
 [[Category:Buildings and structures in Lancaster, Massachusetts]]
+[[Category:Historic American Engineering Record in Massachusetts]]
 [[Category:National Register of Historic Places in Worcester County, Massachusetts]]
 [[Category:Truss bridges in the United States]]