Skip to main content
U.S. flag

An official website of the United States government

Bridges and Tunnels 1999

Published by D.C. Office of the Chief Technology Officer | District of Columbia | Catalog Last Checked: May 05, 2026 at 10:34 PM | Dataset Last Updated: December 13, 2021 at 05:56 PM
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.

Resources

7 resources available

Find Related Datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov