There are two drawbridges in City Waters that are located in Spa Creek, and Weems Creek. These two bridges are part of the Maryland Highway Administration's (MHA) movable bridges on state maintained highways. The dimensions of both bridges can be found on NOAA Chart 12282 - Chesapeake Bay Severn and Magothy Rivers.
The Spa Creek Bascule Drawbridge can be hailed on VHF 13, and via mobile at 410-974-3840.
The Weems Creek Swing Drawbridge can also be hailed on VHF 13, and via mobile at 410-263-3953. The draw shall open on signal from sunrise to sunset from May 1 through September 30. At all other times, the draw shall open on signal if at least 5 hours advance notice is given.