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The White Rock Forge Covered Bridge or White Rock Covered Bridge is a covered bridge that spans the West Branch of the Octoraro Creek in southeast Lancaster County, Pennsylvania, United States. A county-owned and maintained bridge, its official designation is the West Octoraro #2 Bridge. It was built in 1847 by John Russell and Elias McMellen, but the original was destroyed and rebuilt in 1884. The wooden burr bridge crosses the West Branch of the Octoraro Creek. It is 103 feet long and 13 feet wide. The bridge has a single span, wooden, double Burr arch trusses design with the addition of steel hanger rods. The deck is made from oak planks.〔 It is painted red, the traditional color of Lancaster County covered bridges, on both the inside and outside. Both approaches to the bridge are painted in the traditional white color. The bridge's WGCB Number is 38-36-18. Added in 1980, it is listed on the National Register of Historic Places as structure number 80003522.〔(【引用サイトリンク】 work = National Register of Historic Places )〕 It is located at (39.82467, -76.09000). == Dimensions == *Length: 103 feet (31.4 m) span and 110 feet (33.5 m) total length *Width: 13 feet (4.0 m) clear deck and 15 feet (4.6 m) total width *Overhead clearance: 12 feet (3.7 m) *Underclearance: 13 feet (4.0 m) 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「White Rock Forge Covered Bridge」の詳細全文を読む スポンサード リンク
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