Bucks County PA’s Tyler State Park boasts 25 miles of trails for hikers, bicyclists and equestrians (check the map to see which trails are open in bicycles and horses). The park has 15 named trails at three difficulty levels; most are out-and-back or connector trails. The park also is home to the historic 170-footlong Schofield Ford Covered Bridge, the only Pennsylvania bridge with a queen post truss system supporting a town truss system. It’s naturally-weathered gray color also stands out from the other 11 remaining Bucks County covered bridges, as it is the only one that remains unpainted. The original Schofield bridge was lost to arson in 1991. The current…