The presentation discussed efforts to preserve historic bridges in Virginia. It highlighted specific bridges in need of repair, including the Waterloo Bridge between Fauquier and Culpeper counties. It explained that over 90% of historic metal truss bridges and 75% of masonry and concrete arch bridges surveyed decades ago have been lost, often due to lack of maintenance and repair or being disregarded as typical examples of their time. It provided recommendations for how citizens can help preserve bridges, such as advocating for their inclusion in local comprehensive plans, documenting bridges, and donating to advocacy organizations.