Hampton Roads Regional Bridge Study

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TABLE OF CONTENTS iii TABLE OF CONTENTS Introduction ...................................................................................... 1 Bridge Definitions ............................................................................. 3 Bridge Types ............................................................................. 3 Regional Bridge Summary ................................................................ 5 Total Bridges ............................................................................ 5 Bridges by Ownership .............................................................. 6 Bridges by Type of Service ........................................................ 6 Bridges by Length/Area ............................................................. 7 Bridges by Age ......................................................................... 7 Bridge Inspections and Ratings ......................................................... 9 Bridge Funding ............................................................................... 37 Federal Bridge Funding .......................................................... 37 State Bridge Funding .............................................................. 39 Regional/Local Bridge Funding .............................................. 41 Tolls ....................................................................................... 42 Bridge Projects ............................................................................... 43 Cost of Sustaining Bridge Connections through 2040 ..................... 47 Similar Work by Others.......................................................... 47 Method of Forecasting Bridge Costs ....................................... 47 Calculating Historical Allocation Rates .................................. 50 Future Allocations .................................................................. 52 Deficient Bridges ............................................................................ 11 Structurally Deficient Bridges ................................................. 12 Functionally Obsolete Bridges ................................................ 16 Deficient Bridges .................................................................... 26 Weight-Posted Bridges ............................................................ 28 Fracture and Scour Critical Bridges ................................................. 30 Conclusions ................................................................................... 54 Appendix A – Glossary of Bridge Terms ......................................... 55 Appendix B – Bridge Component Rating Basics ............................. 57 Appendix C – Sufficiency Rating Formula ...................................... 65 Appendix D – Regional Bridge Inventory ....................................... 71 Appendix E – Closed Bridges in Hampton Roads ......................... 113 Sufficiency Rating ........................................................................... 31 Health Index ................................................................................... 36 HAMPTON James City/Williamsburg/York ROADS REGIONAL Transportation BRIDGE STUDY Study
TABLE OF CONTENTS iv LIST OF FIGURES LIST OF MAPS Figure 1 – Bridge Types .................................................................................... 4 Map 1 – Deficient .......................... Bridges in Hampton Roads ............................................... 27 Figure 2 – Total Bridges in Comparable Metropolitan Areas ............................. 5 Figure 3 – Hampton Roads Bridges by Ownership ........................................... 6 LIST OF TABLES Figure 4 – Bridges in Hampton Roads by Type of Service ................................. 6 Table 1 – Bridges in Hampton Roads Jurisdictions by Year Built ...................... 8 Figure 5 – Total Bridge Area in Comparable Metropolitan Areas ...................... 7 Table 2 – Structurally Deficient Bridges in Hampton Roads by Jurisdiction and Figure 6 – Bridges in Hampton Roads by Year Built ......................................... 7 Maintenance Responsibility ........................................................................... 13 Figure 7 – Median Bridge Age in Comparable Metropolitan Areas ................... 8 Table 3 – Structurally Deficient Bridges in Hampton Roads ........................... 14 Figure 8 – Structurally Deficient Bridges in Comparable Metropolitan Areas .. 13 Table 4 – Functionally Obsolete Bridges in Hampton Roads by Jurisdiction and Figure 9 – Functionally Obsolete Bridges in Comparable Metropolitan Areas 17 Maintenance Responsibility ........................................................................... 17 Figure 10 – Deficient Bridges in Comparable Metropolitan Areas .................. 26 Table 5 – Functionally Obsolete Bridges in Hampton Roads .......................... 18 Figure 11 – Sufficiency Rating Factors and Components ................................ 31 Table 6 – Weight-Posted Bridges in Hampton Roads ..................................... 29 Figure 12 – Bridge Sufficiency Ratings in Hampton Roads ............................. 32 Table 7 – Fracture Critical Bridges in Hampton Roads ................................... 30 Figure 13 – Median Bridge Sufficiency Rating in Comparable Metropolitan Table 8 – Bridge Sufficiency Ratings in Hampton Roads by Jurisdiction ......... 32 Areas ............................................................................................................. 33 Table 9 – Bridges in Hampton Roads with Sufficiency Ratings Less Than 50 .. 34 Figure 14 – Bridges with Sufficiency Ratings of Less Than 50 in Comparable Table 10 – VDOT-Maintained Bridges in Hampton Roads with the Lowest Metropolitan Areas ........................................................................................ 33 Health Indices ............................................................................................... 36 Figure 15 – Highway Bridge Program Apportionments ................................... 38 Table 11 – Dedicated Bridge Fund Priority List, Hampton Roads District ....... 40 Figure 16 – Funding for Structurally Deficient Bridges in Hampton Roads ...... 46 Table 12 – Bridges Constructed or Rehabilitated in Hampton Roads, Figure 17 – Bridges in Hampton Roads by Decade Built ................................ 48 2003-2012 .................................................................................................... 44 Figure 18 – Bridges in Hampton Roads by Age Group ................................... 48 Table 13 – Bridge Projects in Hampton Roads Included in the Current SYIP .. 45 Figure 19 – Bridge Replacement Cost by Age Group ...................................... 48 Table 14 – First-Year Allocations from Recent SYIPs to Aging Bridge Projects in Hampton Roads ............................................................................................. 50 Figure 20 – Replacement Projects with NBI Cost Estimates, FY13 SYIP .......... 49 Table 15 – Recent Allocations to Aging Bridges in Hampton Roads, by Age Figure 21 – Age of Hampton Roads Bridges, Forecast through 2040 .............. 52 Group ............................................................................................................ 51 Figure 22 – Hampton Roads Bridges Age 70+, Forecast through 2040 ........... 52 Table 16 – Replacement Costs for Bridges in Hampton Roads, by Age Group 51 Figure 23 – Cost of Sustaining Bridge Connections, 2013 Dollars .................. 52 Table 17 – Allocation Rates for Aging Bridges in Hampton Roads, by Age Group ............................................................................................................ 51 Table 18 – Cost of Sustaining Bridge Connections in Hampton Roads ........... 53 Table 19 – Summary of Hampton Roads Bridge Conditions ........................... 54 HAMPTON James City/Williamsburg/York ROADS REGIONAL Transportation BRIDGE STUDY Study
Page 1 and 2: Hampton Roads Regional Bridge Study
Page 3 and 4: NON-VOTING MEMBERS: HAMPTON ROADS T
Page 5: REPORT DOCUMENTATION ii TITLE: Hamp
Page 9 and 10: INTRODUCTION 2 Health Index -
Page 11 and 12: BRIDGE DEFINITIONS 4 1 - SLAB 99 br
Page 13 and 14: REGIONAL BRIDGE SUMMARY 6 BRIDGES B
Page 15 and 16: REGIONAL BRIDGE SUMMARY 8 Bridges i
Page 17 and 18: BRIDGE INSPECTIONS AND RATINGS 10 E
Page 19 and 20: DEFICIENT BRIDGES 12 STRUCTURALLY D
Page 21 and 22: DEFICIENT BRIDGES 14 Federal Struct
Page 23 and 24: DEFICIENT BRIDGES 16 FUNCTIONALLY O
Page 25 and 26: DEFICIENT BRIDGES 18 Jurisdiction F
Page 33 and 34: DEFICIENT BRIDGES 26 DEFICIENT BRID
Page 35 and 36: DEFICIENT BRIDGES 28 WEIGHT-POSTED
Page 37 and 38: FRACTURE AND SCOUR CRITICAL BRIDGES
Page 39 and 40: SUFFICIENCY RATING 32 The method fo
Page 41 and 42: SUFFICIENCY RATING 34 Jurisdiction
Page 43 and 44: HEALTH INDEX 36 HEALTH INDEX As des
Page 45 and 46: BRIDGE FUNDING 38 Non-federal-aid
Page 47 and 48: BRIDGE FUNDING 40 restrictions, suf
Page 49 and 50: BRIDGE FUNDING 42 Bridge, Pinners P
Page 51 and 52: BRIDGE PROJECTS 44 Federal Structur
Page 53 and 54: BRIDGE PROJECTS 46 A total of $781
Page 55 and 56: COST OF SUSTAINING BRIDGE CONNECTIO
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COST OF SUSTAINING BRIDGE CONNECTIO
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COST OF SUSTAINING BRIDGE CONNECTIO
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CONCLUSIONS 54 CONCLUSIONS Based on
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APPENDIX A 56 National Bridge Inven
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APPENDIX B 58 DECK, SUPERSTRUCTURE,
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APPENDIX B 60 INVENTORY RATING The
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APPENDIX B 62 UNDERCLEARANCES This
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APPENDIX B 64 APPROACH ROADWAY ALIG
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APPENDIX C 66 COMPONENT #1 - STRUCT
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APPENDIX C 68 If none of those four
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APPENDIX C 70 COMPONENT #4 - SPECIA
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APPENDIX D 72 Ü CHESAPEAKE BRIDGES
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APPENDIX D 74 Federal Structure ID
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APPENDIX D 82 Ü ISLE OF WIGHT COUN
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APPENDIX D 88 Ü NEWPORT NEWS BRIDG
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