Hooman Parvardeh, PMP, CSM

Managing Director

Bridge Intelligence

Mobile 3D Bridge Inspection Platform

Outline

• History of Element Level Inspection

• Common Practice for Bridge Inspection

• Challenges & Problems

• Solution

• Conclusion

Element Level Inspection Background

1993: FHWA created a task force charged with developing the Commonly Recognized Elements (CoRe Elements)

1995: CoRe was adopted by AASHTO T-18

2010: New element model was introduced ( 4 condition states, removal of smart flags and NBE, BME, ADE)

Starting 2015: In addition to NBI, each State and Federal agency should also provide element level bridge inspection data for bridges on the NHS to the FHWA. (MAP 21)

1993 1995 2010 2015

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

AK AZ AR CA CO DC HI ID IL IN KY ME MI MS MO NV NJ NM NY NC OH OK OR PA RI SC TN TX UT VT WV

Percentage of NHS Bridges Covered in FHWA Submittal

* Remaining States have submitted more than 95%

* Base on data available from FHWA

State of Element Data Collection

* Based on AASHTO 2016 Survey (43 states answered)

Advantages of Element Level Data

Less subjective than NBI

More granular condition information

Better bridge management decision-making

Meaningful performance measures

Most Common Practice for Inspection

Paper forms Camera Inspection Manual

Challenges in Element Level Inspection

• Much more complicated than NBI inspection

• Typically need inspection manuals and previous reports

• Requires quantity calculations

• Possible for inspectors to make mistake

• Defect location data is not recorded

• Difficult to tie photos to a particular defect

• Difficult to visualize element data

Typical Element Data

Mobile 3D Inspection

How does it help?

• Tablet-based bridge inspection

• State-of-the-art 3D visualization

• Defects with location and photo references

• Sync with existing Bridge Management Systems

• No internet connection needed for field inspection

• Improves review and QA/QC process

• After multiple inspections, users can see how defects progress overtime

• Visually determine the performance of the bridge

3D bridge inspection Video

InspectX Server

iPad

Android Tablet

Windows Tablet

BMS

Framework

Progression Of Deterioration

3D Is Not One Size Fits All

• 3D is a great tool that can help agencies monitor problematic bridges

• Does not make sense to use for all bridges

• For maximum efficiency, use digital form-based inspection

• Save inspectors 1 to 3 hours of total inspection time

Form Base Inspection

Benefits to Inspector

• User-friendly mobile application

• Lower learning curve in element inspection

• Inspection manual is not needed

• Carry over data from previous inspections

• Improvement in data accuracy

• Minimize redundant and manual data entries

• Automatically generate inspection report

Benefits to State Agencies

• Everything will be digitally stored in one DB (Defects, Images, …)

• Better monitoring of bridge deterioration

• Better bridge management with 3D visualization

• Better understanding of bridge performance as a whole

• Supplement and compatible with existing BMS such as BrM

Questions?

Hooman ParvardehManaging DirectorBridge IntelligenceHooman@bridge-intel.comCell: 407-430-5216

Feel free to reach out to me for a demo