The map shows over a dozen Rideau river bridges within the city of Ottawa carrying vehicle, foot & rail traffic over the waterway. My objective is to create a visual index of these river crossings. As a minimum I aim to end up with an edited portfolio of black & white prints with at least one image of each bridge; whether I will photograph each one in a consistent way or use a variety of approaches I do not yet know along with much else about the final form of this project which I began in October 2008.