The Calamus Creek Bridge near Maxwell, Iowa is a concrete Luten arch bridge constructed in 1905. It was built by N. M. Stark and Company for a cost of $900. It has a single span and a total length of .
In 1998 the Calamus Creek Bridge was listed on the National Register of Historic Places (NRHP), one of several N. M. Stark Luten bridges on the register.
The NRHP nomination for the bridge says: