 It remained popular through the American Civil War, making the Beaverkill bridge one of the last of its kind.A major deviation from Town's design are the additional diagonals at the ends, which distribute the load over a smaller area and eliminates the need for long abutment seats of bolster beams.A patent was granted in 1863 for a similar variation on Town's design, so it is quite likely that this technique was not developed by the builder of the Beaverkill bridge.