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〕 | width_imperial = 12.5 | width_note = 〔 | height_type = | height_imperial = | height_note = | style_type = Design | style = Pin-connected Pratt pony truss bridge | author_label = Builder / Architect | author_type = Builder | author = West Penn Bridge Company | material = Steel | lat_d = 40 | lat_m = 47 | lat_s = 26 | lat_NS = N | long_d = 80 | long_m = 29 | long_s = 38 | long_EW = W | established_type = Built | established_label = Year of construction | established = 1878 | management_type = Owned and Maintained by | management = PennDOT | code_type = NBI Number | code_label = National Bridge Inventory identification number | code = (044009006000000 ) | code1_type = | code1_label = | code1 = | free_type = Load | free_label = Max allowable load limit | free = | free_note = 〔 | free1_type = | free1_label = | free1_note = | free1 = | free2_type = | free2_label = | free2 = | map = Pennsylvania Locator Map.PNG | map_size = 300 | map_caption = Location of the Watts Mill Bridge in Pennsylvania | map_locator = Pennsylvania | commons = }} The Watts Mill Bridge is a pin-connected Pratt pony truss bridge located over the Little Beaver Creek in Cannelton, Pennsylvania, United States. The bridge was constructed in 1878 by the West Penn Bridge Company, based in nearby New Brighton. The bridge is located in a valley approximately a quarter mile north of the North Country Trail. The bridge was listed on the National Register of Historic Places in 1988. When the bridge was given this designation by the NRHP, it was simply known as the Bridge in South Beaver Township. It is the only bridge in Beaver County on the National Register for itself, although the Bridgewater-Rochester Bridge over the Beaver River is part of the Bridgewater Historic District in Bridgewater to the south.〔Buerkle, John, Jr., and Mike Eversmeyer. National Register of Historic Places Inventory/Nomination: Bridgewater Historic District. National Park Service, 1996-03-03, 5.〕 In 2004, the bridge, which was becoming rusty and falling into disrepair and considered for demolition by PennDOT, was placed on the ''Top Ten Best Historic Preservation Opportunities in the Pittsburgh Area'' by the Young Preservationists Association of Pittsburgh. No major renovations have been done to the bridge. ==See also== * List of bridges on the National Register of Historic Places in Pennsylvania * National Register of Historic Places listings in Beaver County, Pennsylvania 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Watts Mill Bridge」の詳細全文を読む スポンサード リンク
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