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Roadway Design



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Bridge Scour Policy and Guidance

Thank you for visiting the Drainage Section site. The Central Office Drainage Section provides hydrologic, hydraulic, stormwater management, and coastal engineering services to ensure that Florida DOT provides a safe, economical transportation system that preserves the quality of Florida's environment.

The Drainage Section develops and updates policies, procedures, standards, specifications, and guidelines for these practice areas:

Coastal Engineering

District Information

Drainage Connection Permit

Manual-Handbooks-Design Aids

Research Projects

Florida - Pipe Advisory Group

- Hydraulic and Stormwater management design of drainage systems for roads and bridges

- Prediction of bridge hydraulics and scour for riverine and tidal waterways

- Design of bank protection and bridge scour countermeasures

- Prediction of wave climates and forces on bridge

Stormwater Management Academy

Training - Webinars

FHWA Hydraulics Engineering



Drainage ManualNew Link
Posted: December 18, 2014
The new 2015 Drainage Manual is now available!


Posted: August 12, 2014

Optional Pipe Materials Handbook - Provides guidance for the evaluation of optional materials - 1.3mb size

Posted: May 29, 2014

Design Guidance for evaluating hydroplaning potential

BMP Trains Model version 7
Posted: March 21, 2014

New tool to evaluate BMP efficiency

- Pre-Post nutrient loading analysis

- Offsite Bypass v Commingling

- BMAP Credits

Culvert Service Life Estimator - CSLE-V5132.zip
Posted: March 14, 2014
New version includes LRFD Pipe Cover Heights!

Drainage Manual
Posted: January 1, 2014
The new 2014 version is now available!

LRFD Webinar - Hosted by Rick Jenkins, P.E.
Posted: March 26, 2014
Webinar explaining the new AASHTO LRFD pipe cover requirements



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