On the south side of Kimmswick is the Windsor Harbor Bridge, which is now completely closed to all traffic, after once being open to pedestrians.

Originally placed in Carondelet up in St. Louis from 1874 to 1928, it was moved here in 1930. There is a modern road bridge to the west, made of reinforced concrete.

There is also a railroad bridge to the east, which appears to be much newer, as it makes use of reinforced concrete footings, though they appear to be deteriorating.