Bridges And Tunnels 1999

Hidden bridges and tunnels captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It shows bridges that were obstructed by other features, and was created to enhance the existing bridges/tunnels coverage.
Organization: District of Columbia
Last updated: 2024-04-30T18:59:51.604640
Tags: bridges, district-of-columbia, planimetrichistoric, planimetrics, pmetric99, roads, tunnels, washington-dc