There are more than 18,900 bridges in Indiana. INDOT owns and maintains more than 5,600 of these bridges, with a total surface area of more than 50 million square feet.

The Bridge Management Division is responsible for bridge inspection, bridge asset management, bridge preservation, the hydraulic design of bridges, culverts, storm sewers, and detention ponds.

The Bridge Design Division is responsible for the design of new, replacement and rehabilitated bridges, the development and maintenance of bridge-related standard drawings and policies. The division is also responsible for bridge load rating, and the technical analysis for oversize/overweight permit requests.