The Stevenson Dam Bridge carries Connecticut Route 34 over the Housatonic River in the U.S. state of Connecticut, connecting the town of Monroe to the town of Oxford.The Stevenson Dam Bridge sits on top of the Stevenson Dam, constructed by the Connecticut Light and Power Company. It is a concrete span featuring 24 arches.The current bridge was constructed in 1919 and is 1213 feet in length by 42 feet in width, featuring one lane in each direction for automotive traffic.