Iron bridge (Joachim Avenue, 252', 1924 - Closed) across Joachim Creek in Herculaneum, Joachim Township, Jefferson County, MO. Joachim Av. NE 0.4 miles from jct with US61 on the SW side of Herculaneum to the bridge. (3-12-06, N38 15.81 W90 23.13) Photos by Jack Schmidt.