The Hamburg Bridge Historic District is located in Lyme, Connecticut. It encompasses a small village which was of economic importance until about 1824, as the site of a bridge across the since 1759, and as the head of navigation of the river, which feeds the Connecticut River at Hamburg Cove. The district includes 10 houses, all of which are historically significant, as well as old stone wharves dating to the period. The district was added to the National Register of Historic Places on March 10, 1983.