Research Project:

Bridge Deck Integrity Measurements for Asset Management

Principal Investigator

Brent Rosenblad
University of Missouri – Columbia
(573) 884-3736
rosenbladb@missouri.edu

Project Objectives

Develop and evaluate a NDE method for assessment of bridge deck condition
Determine the size, depth and type of deterioration than can be detected
Develop recommendations for implementation of the NDE method

Project Abstract

Condition monitoring of transportation assets such as bridge decks is a vital component of a comprehensive asset management plan. Early detection of subsurface deterioration in bridge decks is necessary to forestall the development of dangerous conditions and to plan for repairs and replacement. Currently, non-destructive evaluation (NDE) methods applied to this problem require direct access to the bridge deck and, therefore, require closure of the lanes. The objective of this project is to develop and evaluate a NDE method that utilizes sensors placed on the underside of the bridge deck and uses active or passive noise excited from the surface to assess the condition of the deck.

Task Descriptions

Literature Review
Equipment Acquisition and Field Site Preparation
Deployment and Data Acquisition
Data Processing and Interpretation
Implementation Recommendations
Final Report

Project Period

March 2007 – February 2008

Potential Benefits of the Project

The goal of this project is to develop a NDE methodology that will allow assessment of bridge deck condition without the need for lane closures. Successful development will provide critical data for establishing a deck condition rating that characterizes the present condition of the bridge deck and can be used to estimate remaining life and repair and rehabilitation requirements. The potential impact of this project will be more efficient and frequent bridge deck inspections that provide critical parameters for asset management.

Budget

$80,000: $40,000 MTC / $42,054 Match (University of Missouri – Columbia)

TRB Keywords

Structures, Bridge Deck, Non-Destructive Evaluation, Condition Monitoring, Condition Rating