A bridge has been located on this site since the mid-18th century although the current bridge is estimated to have been constructed circa 1907. The first bridge was constructed to serve the mill at the 450-acre plantation of Dr. Charles Duvall "Goodwood" renamed later to "Gladswood". The Duvall family had arrived in Anne Arundel County with arrival of Mareen Duvall in 1650. Mareen Duvall's Middle Plntation is downriver on the same path, now called Davidsonville Road. The Steel bridge was constructed in 1907. The bridge provided water crossing for the main Baltimore-Washington telegraph lines following "telegraph road". In 1936, the Patuxent Wildlife Research Center was created on the land, and the bridge was transferred to the federal government in 1941. A plaque was installed in 1966 by t