Lynchburg, OH, US

The Lynchburg Covered Bridge is a historic wooden covered bridge that spans the east fork of the Little Miami River in Lynchburg, Ohio. It, also, has the distinction, following a recent repair and restoration project, of being the only such covered bridge in North America to have been converted to a suspension infrastructure. The bridge was built in 1870 as a Long truss bridge. The Lynchburg Covered Bridge was listed on the National Register of Historic Places on March 16, 1976. It remained one of eight surviving covered Long truss bridges in the state at the time of the designation.

Beginning in early 2022, much-needed repair and renovation of the bridge began. The renovation included the removal and replacement of damaged members and salvaging of existing members as much as possible, all while using authentic original construction methods. Work on the bridge continued through most of 2022.

In March of 2022, Portland Bolt manufactured the required fasteners for this project which consisted of domestic ASTM A307A hex bolts with the associated nuts and malleable iron washers. The hex bolts were 5/8″ and 1″ in diameter with lengths ranging from 19″ to 27″. The materials supplied were hot-dip galvanized per ASTM F2329 and were 100% melted and manufactured in the USA. With Portland Bolt’s ability to hot forged headed bolts as well as having an in-house hot dip galvanizing line specifically designed for threaded fasteners, these types of construction fasteners were a perfect fit.

Are you rehabilitating a historic covered bridge? If so, contact us for all your fastener and hardware needs!

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