The Main Street Historic District of Bristol, Connecticut is a 20-acre (8.1 ha) historic district that was listed on the National Register of Historic Places in 1995. It encompasses much of the city's central business district, an area built up in the late 19th and early 20th centuries. The district's 19 historic buildings are located along adjoining stretches of Main and Prospect Streets. Most of its buildings are either brick or masonry in construction, and range in height from two to four stories. Prominent buildings include the Bristol National Bank building at 200 Main Street, designed by McKim, Mead & White, and the Lorraine Building/Curtis Block building at 175 Main Street, which was built in c. 1905 in Art Deco style. Its cast-stone facade was added in c.1930.