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}} The Braley Covered Bridge, also called the Johnson Covered Bridge and Upper Blaisdell Covered Bridge, is a wooden covered bridge that crosses the Second Branch of the White River in Randolph, Vermont on Braley Covered Bridge Road. It was listed on the National Register of Historic Places in 1974.〔 The bridge is of King post truss design by an unknown builder. This bridge is one of only two covered bridges in Vermont (the other being the nearby Gifford Covered Bridge) in which the king post truss reaches only half the height of the bridge. The reason for this is that the bridge was most likely a wooden boxed pony truss bridge when first built in 1904. The trusses would have most likely been covered by planking to protect them, rather being left open. See the article on Mean's Ford Bridge in Pennsylvania at (BridgeHunter.com ) for an example of this rare type of bridge. A date of 1909 was placed on one of the portals, likely an indication that the upper portion of the bridge was installed at that time, making it a covered bridge in the more familiar sense.〔Evans, Benjamin and June. ''New England's Covered Bridges''. University Press of New England, 2004. ISBN 1-58465-320-5〕 ==Recent history== In 1977 the bridge deck was reinforced with steel I-beams.〔Evans, Benjamin and June (2004). ''New England's Covered Bridges''. University Press of New England. ISBN 1-58465-320-5.〕 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「Braley Covered Bridge」の詳細全文を読む スポンサード リンク
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