sentences:  The first part of modern MD 445 to be built was Main Street between Sharp Street and Rock Hall Avenue, which was constructed as a concrete street as part of MD 20 in 1920.The remainder of MD 445 was one of several state highways whose construction as concrete roads was partially funded by a $900,000 Kent County bond issue in 1929.The highway was built from north of the Eastern Neck Island bridge to MD 21 in 1929 and 1930.