Drainage and Underground Structures

Drainage Structure

This page contains information useful to those interested in the design or research of drainage and underground structures.

Structure Types:

  1. Box Culvert
  2. Junction and Transition Structures
  3. Open Vertical Channel
  4. Utility Manhole

Structure Components:

Structure components for drainage and underground structures usually consist of reinforced concrete plate elements.

Reference Documents:

  1. AASHTO Standard Specifications for Highway Bridges
  2. AREMA Manual for Railway Engineering
  3. EM 1110-2-2104 Strength Design For Reinforced-Concrete Hydraulic Structures
  4. EM 1110-2-2502 Retaining And Flood Walls
  5. ETL 1110-2-256 Sliding Stability For Concrete Structures


  1. American Association of State Highway and Transportation Officials (AASHTO)
  2. American Railway Engineering and Maintenance of Way Association (AREMA)
  3. U.S. Army Corps of Engineers