5.1.16 Structures
Bridges, culverts, walls, tunnels, and other structures must be designed in accordance with the current
. The design loading must be HL-93 design live load unless design for a special vehicle is specified or warranted.
See
for specific off-system bridge requirements for current ADT of 400 VPD or less.
Refer to the latest
for additional design guidance for bridges on TxDOT facilities.