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Valley Pike Covered Bridge : ウィキペディア英語版 | Valley Pike Covered Bridge
The Valley Pike Covered Bridge is a historic covered bridge located in Mason County, Kentucky, United States. It crosses the Frasure Branch of Lee Creek. It was added to the National Register of Historic Places in 1976. The bridge construction is single kingpost, resting on stone abutments. The span is short - 30 to 35 feet - consistent with the single kingpost system. The structure has tin siding and roofing. It is the only privately owned covered bridge in Kentucky and still provides access to farmland. A number of reasons have been offered to explain the construction of covered bridges in Kentucky during the 19th century. Roads across the bridges were kept dry and free of snow in winter. The protection the cover provided against wood deterioration was likely most important. The cover allowed timbered trusses and braces to season properly and kept water out of the joints, prolonging the life by seven to eight times that of an uncovered bridge.〔 ==References==
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「Valley Pike Covered Bridge」の詳細全文を読む
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