Keywords: McConnell's Mill Covered Bridge underside with water.jpg 40 57 10 N 80 10 14 W Underside of 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 Picture taken from underneath the eastern end of the bridge Own 2009-08-08 User Nyttend Nyttend No<nowiki></nowiki>ne McConnell's Mill Covered Bridge Rivers of Pennsylvania Undersides of bridges in the United States Building-centered pictures by User Nyttend Taken with Canon PowerShot A540 |