Project 3.10: Assessment and optimization of double CT bridge girder sections with

longitudinal precast decks

Assessment and Optimization of Double Ct Bridge Girder Sections With Longitudinal Precast Decks

Project 3.10

Project Summary

This project focuses on the extension of novel, fiber-reinforced polymer tub girder (CT girder) sections to incorporate precast concrete deck panels. This will extend the application of this new bridge technology by modularizing construction, optimizing the use of relatively costly composite materials, and reducing required superstructure depth. This research project will employ both large-scale and smaller-scale experiments, and includes direct collaboration with an industrial partner who is actively marketing this technology.

Principal Investigator

Dr. Bill Davids


University of Maine

Project Status


Project Cost


Start Date


Project Type


End Date


Agency ID



Office of the Assistant Secretary for Research and Technology, University Transportation Centers Program, Department of Transportation, AIT Bridges

Implementation of Research Outcomes:

Implementation of outcomes of the research has yet to be realized upon the recent completion of the work.

Impacts and Benefits of Implementation:

Impacts and benefits of the research have yet to be realized upon the recent completion of the work.

Printable Project Information Sheet

Printable Final Report

September 2020 Quarterly Progress Report

December 2020 Quarterly Progress Report

March 2021 Quarterly Progress Report

June 2021 Quarterly Progress Report

September 2021 Quarterly Progress Report

December 2021 Quarterly Progress Report

March 2022 Quarterly Progress Report