Keywords: McConnell's Mill Covered Bridge interior trusses.jpg 40 57 10 N 80 10 14 W Howe trusses on the interior facing eastward of the w McConnell's Mill Covered Bridge at McConnells Mill State Park located in far eastern Slippery Rock Township Lawrence County Pennsylvania Slippery Rock Township Lawrence County Pennsylvania Lawrence County Pennsylvania United States Built in 1874 the bridge is listed on the National Register of Historic Places Own 2009-05-16 User Nyttend 100px Light interior McConnell's Mill Covered Bridge Roads in Pennsylvania Building-centered pictures by User Nyttend Taken with Canon PowerShot A540 Howe truss bridges |