The early bridges that spanned the rivers, streams and creeks of Ohio were covered to protect the wooden joints and extend the life of the bridge. In other words, to keep a covered bridge healthy, you need sturdy roof. Happily, the Johnston Covered Bridge at Two Glaciers Park will continue to be a scenic destination in Fairfield County thanks in part to its new roof. This roof is made out of steel sheeting that is coated in an aluminum-zinc alloy that we expect to last 75 years or more. The Johnston bridge has worn a few different rooftops since it was built in 1887; some were metal and some were wooden, but all have kept the bridge dutifully spanning Clear Creek for 127 years. We hope our efforts here ensure this bridge remains treasured place in our county for generations to come.