2020 Pavement Management Services Pavement Condition Report City of Brownsville, Texas September 2020 Prepared by: Data Transfer Solutions, LLC 3680 Avalon Park East Blvd., Suite 200 Orlando, FL 32828 www.dtsgis.com Table of Contents 1.0 EXECUTIVE SUMMARY ............................................................................................................................ 1 2.0 INTRODUCTION ......................................................................................................................................... 2 2.1 SAMPLE UNITS ................................................................................................................................................................ 4 3.0 PURPOSE ...................................................................................................................................................... 5 4.0 PROJECT SCOPE AND METHODOLOGY .............................................................................................. 6 5.0 AUTOMATED DATA COLLECTION AND EQUIPMENT .................................................................... 7 6.0 PAVEMENT CONDITION ASSESSMENT ........................................................................................... 13 6.1 PAVEMENT DISTRESS INVENTORY ............................................................................................................................ 14 6.2 PAVEMENT CONDITION INDEX (PCI) CALCULATION ............................................................................................. 16 6.3 PAVEMENT CONDITION ASSESSMENT RESULTS...................................................................................................... 19 7.0 PAVEMENT MAINTENANCE METHODS .......................................................................................... 22 7.1 PAVEMENT MAINTENANCE FUNDING ....................................................................................................................... 23 7.2 5-YEAR BASELINE (DO NOTHING) SCENARIO ........................................................................................................ 24 7.3 5-YEAR CURRENT BUDGET SCENARIO (BEST FIRST) ............................................................................................ 25 7.4 5-YEAR BUDGET SCENARIO (WORST FIRST) .......................................................................................................... 29 7.5 5-YEAR CURRENT BUDGET ALTERNATIVE BREAKDOWN SCENARIO (BEST FIRST) ........................................ 33 7.6 5-YEAR $15M BUDGET SCENARIO (BEST FIRST).................................................................................................. 37 APPENDIX A .......................................................................................................................................................... 41 List of Figures Figure 1: Surface Type Distribution ........................................................................................................................................................ 3 Figure 2: Deterioration Curve Example ................................................................................................................................................. 5 Figure 3: Deterioration Curve .................................................................................................................................................................... 6 Figure 4: DTS MAC Vehicle .......................................................................................................................................................................... 8 Figure 5: Network Coverage Map ............................................................................................................................................................. 9 Figure 6: Nine- Point Calibration Site Example ................................................................................................................................ 10 Figure 7: Pavement Image Example ...................................................................................................................................................... 11 Figure 8: Right-of-Way Image Example ............................................................................................................................................... 12 Figure 9: EarthShaper™ Pavement Tool Example .......................................................................................................................... 13 Figure 10: PCI Distribution Map ............................................................................................................................................................. 17 Figure 11: PCI Example Map..................................................................................................................................................................... 18 Figure 12: Asphalt Distress Breakdown .............................................................................................................................................. 19 Figure 13: Concrete Distress Breakdown ........................................................................................................................................... 20 Figure 14: Overall Pavement Condition Distribution .................................................................................................................... 21 Figure 15: 5-Year “Do-Nothing” Baseline Scenario– PCI Plot .................................................................................................... 24 Figure 16: 5-Year Budget Scenario (Best First) – PCI Plot .......................................................................................................... 25 Figure 17: 5-Year Budget Scenario (Best First) – Distribution of Cost per Activity ........................................................ 27 Figure 18: 5-Year Budget Scenario (Best First) – Distribution of Miles per Activity ...................................................... 27 Figure 19: 5-Year Budget Scenario (Worst First) – PCI Plot ...................................................................................................... 29 Figure 20: 5-Year Budget Scenario (Worst First) – Distribution of Cost per Activity .................................................... 31 Figure 21: 5-Year Budget Scenario (Worst First) – Distribution of Miles per Activity .................................................. 31 Figure 22: 5-Year Current Budget Alternative Breakdown Scenario (Best First)– PCI Plot ........................................ 33 Figure 23: 5-Year Current Budget Alternative Breakdown Scenario (Best First)– Distribution of Cost per Activity ............................................................................................................................................................................................................... 35 Figure 24: 5-Year Current Budget Alternative Breakdown Scenario (Best First)– Distribution of Miles per Activity ............................................................................................................................................................................................................... 35 Figure 25: 5-Year $15M Budget Scenario (Best First) – PCI Plot ............................................................................................. 37 Figure 26: 5-Year $15M Budget Scenario (Best First) – Distribution of Cost per Activity ........................................... 39 Figure 27: 5-5-Year $15M Budget Scenario (Best First) – Miles per Activity per Activity ........................................... 39 List of Tables Table 1: Pavement Inspection Breakdown .......................................................................................................................................... 1 Table 2: PCI Ranges by Percent ............................................................................................................................................................... 16 Table 3: PCI Ranges by Surface Type with Percentile ................................................................................................................... 18 Table 4: Asphalt Distress Breakdown by Severity .......................................................................................................................... 20 Table 5: Concrete Distress Breakdown by Severity ....................................................................................................................... 21 Table 6: Treatments, Activities, and Costs for Asphalt Pavement Roads ............................................................................. 23 Table 7: Treatments, Activities, and Cost for Concrete Roads .................................................................................................. 24 Table 8: 5-Year “Do-Nothing” Baseline Scenario – Total Funded Plan Cost ........................................................................ 25 Table 9: 5-Year Budget Scenario (Best First) – Total Funded Plan Cost ............................................................................... 26 Table10: 5-Year Budget Scenario (Best First) – Activities Breakdown................................................................................. 26 Table 11: 5-Year Budget Scenario (Worst First) – Total Funded Plan Cost ........................................................................ 29 Table 12: 5-Year