There are 17 historic wooden covered bridges in the U.S. state of West Virginia. Only three of these bridges were built before 1870 and they are the three longest in the state. Each uses a standard truss design, braced with the Burr Arch.
In the U.S. state of West Virginia, there are 17 historic wooden covered bridges.  Three of these bridges were built prior to 1870 and are the longest in the state. They all employ a standard truss design, reinforced by the Burr Arch.