TxDOT Vertical Clearances

The TxDOT Vertical Clearance dataset displays a range of vertical clearances for bridge structures on the statewide roadway network. Vertical clearance is defined as the vertical distance between the roadway surface and the bottom surface of a bridge, overhead sign, or other overhead obstruction. Data derived is a general representation of the Bridge Underclearance Database maintained by the Bridge Division of TxDOT. Date valid as of: January 2025 Publish Date: January 2025 Update Frequency: As needed Security Level: Public