Environmental Assessment West Virginia Department of Transportation, Division of Highways Dingess Street Bridge Replacement Project Logan County, West Virginia GAI Project Number C121823.01 March 2016 Prepared for: West Virginia Department of Transportation, Division of Highways State Project #S323-10-21.79 00 Federal Project #NHPP-0010(234)D Prepared by: GAI Consultants, Inc. The BB&T Building 300 Summers Street, Suite 1100 Charleston, West Virginia 25301 Environmental Assessment West Virginia Department of Transportation, Division of Highways Page i Dingess Street Bridge Replacement Project, Logan County, West Virginia Table of Contents Executive Summary ........................................................................................................................ iv ES.1 Project Description ...................................................................................................... iv ES.2 Purpose ...................................................................................................................... iv ES.3 Need .......................................................................................................................... iv 1.3.1 Bridge Safety .................................................................................................. iv 1.3.2 Maintain WV 10 Traffic .................................................................................... iv 1.3.3 Maintain Community Cohesion .......................................................................... v ES.4 Alternatives Considered in this EA ................................................................................. v Alternative 2 ................................................................................................................ v Alternative 6A .............................................................................................................. v ES.5 Environmental Impacts................................................................................................. v ES.6 Preferred Alternative .................................................................................................... v 1.0 Introduction, Purpose, and Need ............................................................................................. 1 1.1 Introduction ................................................................................................................ 1 1.1.1 Bridge and Highway System ............................................................................. 1 1.1.2 City of Logan ................................................................................................... 1 1.1.3 Existing Bridge Characteristics .......................................................................... 3 1.1.4 Future Bridge Considerations ............................................................................ 3 1.1.5 Existing and Projected Bridge Traffic Conditions ................................................. 3 1.2 Project Purpose ........................................................................................................... 6 1.3 Project Need ................................................................................................................ 6 1.3.1 Bridge Safety ................................................................................................... 6 1.3.2 Maintain WV 10 Traffic ..................................................................................... 7 1.3.3 Maintain Community Cohesion .......................................................................... 7 2.0 Alternatives ............................................................................................................................ 8 2.1 Alternative Development and Screening ........................................................................ 9 2.2 No Build Option ......................................................................................................... 12 2.3 Transportation System Management (TSM) Option ...................................................... 13 2.4 Alternative 2 .............................................................................................................. 14 2.5 Alternative 6A, the Preferred Alternative ...................................................................... 14 2.6 Agency Coordination and Public Involvement ............................................................... 17 3.0 Affected Environment and Mitigation ..................................................................................... 19 3.1 Social and Economic Characteristic.............................................................................. 19 3.1.1 Demographics ............................................................................................... 19 3.1.2 Environmental Justice .................................................................................... 20 3.1.3 Local Economics ............................................................................................ 23 3.1.4 Community Facilities and Services ................................................................... 24 C121823.01, Task 005 / March 2016 Environmental Assessment West Virginia Department of Transportation, Division of Highways Page ii Dingess Street Bridge Replacement Project, Logan County, West Virginia 3.1.5 Relocations and Displacements ....................................................................... 27 3.2 Land Use and Land Cover ........................................................................................... 30 3.3 Farmland ................................................................................................................... 31 3.4 Cultural Resources ..................................................................................................... 31 3.4.1 Background ................................................................................................... 31 3.4.2 Early Coordination.......................................................................................... 31 3.4.3 Programmatic Agreement Development .......................................................... 32 3.4.4 Archaeological Resources ............................................................................... 33 3.4.5 Historical Resources ....................................................................................... 34 3.5 Section 4(f) Resources ............................................................................................... 35 3.6 Section 6(f) Resources ............................................................................................... 37 3.7 Air Quality ................................................................................................................. 37 3.8 Noise ........................................................................................................................ 38 3.9 Soils .......................................................................................................................... 40 3.10 Geology..................................................................................................................... 40 3.11 Groundwater ............................................................................................................. 41 3.12 Surface Water Resources............................................................................................ 42 3.12.1 Streams ........................................................................................................ 42 3.12.2 Wetlands ....................................................................................................... 43 3.12.3 Floodplains .................................................................................................... 44 3.13 Terrestrial Vegetation and Wildlife .............................................................................. 46 3.14 Rare, Threatened, and Endangered Species ................................................................. 47 3.15 Hazardous Materials Assessment................................................................................. 47 3.15.1 EDR Review ................................................................................................... 48 3.15.2 Site Reconnaissance ....................................................................................... 49 3.15.3 Findings and Conclusions ............................................................................... 49 3.15.4 Mitigation ...................................................................................................... 51 3.16 Energy ...................................................................................................................... 51 3.17 Secondary and Cumulative Impacts ............................................................................ 51 3.17.1 Secondary Impacts ........................................................................................ 51 3.17.2 Cumulative Impacts ....................................................................................... 52 3.18 Impact Summary and Permitting ................................................................................. 53 3.18.1 Environmental Impact Summary ..................................................................... 53 4.0 References ........................................................................................................................... 54 5.0 List of Preparers and