[PDF.61yv]  Pennsylvania's Covered Bridges: A Complete..* Benjamin Evans

Historically, bridges were covered to protect their wooden surfaces from the weather. Today, covered bridges are viewed as charming but rare artifacts of our past. Pennsylvania, the site of the first covered bridge in the United States (over the Schuylkill River in Philadelphia), is the state with the most surviving structures.

Benjamin and June Evans visited every bridge for this updated edition, taking new photographs and noting changes since the writing...