Environmental assessment and programmatic 4(f) statement for the City of Missoula : Orange Street Bridge and Riverfront Access Project

256 Pages·1996·18.7 MB·English

by  Missoula (Mont.). Dept. of Public Works

S Missoula (Mont* )•
38d.U2 Dept. oi Public
«26eaob Works
1996 Environmental
assessment and Orange
programmatic 4(f) Street Bridge
statement for the
VI
J
and
Riverfront Access Project
Montana Department
ofTransportation
STPU 8107(10)
Control No. 2462
U.S. Department of Transportation
Federal Highway Administration
STATE DOCUMENTS COLLECTION
U3
JUL 1886
MONTANA STATE LIBRARY
1515 E. 6th AVE.
HELENA, MONTANA 59620
Environmental
Assessment
3 0864 1006 4156 5
ENVIRONMENTAL ASSESSMENT
and
Programmatic 4(f) Statement
for the
CITY of MISSOULA
ORANGE STREET BRIDGE AND RIVERFRONT ACCESS PROJECT
State Project STPU 8107(10)
City Project No. 93-073
Control No. 2462
Submitted Pursuant to 42 U.S.C. 4332(2)(c)
and Executive Order 11988
by the
CITY of MISSOULA
and
STATE OF MONTANA
DEPARTMENT OF TRANSPORTATION
and
DEPARTMENT OF TRANSPORTATION
U.S.
FEDERAL HIGHWAY ADMINISTRATION
REGION
8
L^U ^ Date: P-/-*S/K
,
Director of Public Works, City of Missoula
U^
LlJL lU ~~^^li/ 4I&I9&
? Date:
.
/Montana Department of Transportation
document reviewed for coj
and Approved for Cipstflation,
^-/S-fS
Date:
Federal Highway Administration
This document is prepared in compliance with the National Environmental Policy Act (NEPA) and the Montana
Environmental Policy Act (MEPA).
EnvironmentalAssessment
OrangeStreetBridgeandRiverfrontAccess
STPU 8107 (10)
LIST OF PREPARERS
This document was prepared by the consulting firm of DRUYVESTEIN JOHNSON & ANDERSON, INC.,
Missoula, Montana, in association with HNTB CORPORATION of Bellevue, Washington, GCM SERVICES,
INC., ofButte, MontanaandNATURALRESOURCE SERVICES, ofEureka, Montana. The followingpersons
were the major contributors to this report:
DRUYVESTEIN JOHNSON & ANDERSON, INC.
Vaughn Anderson, P.E., Project Engineer/Manager
Tom Picciano, Administrator
Paul Druyvestein, P.E., Design Engineer
Mark Lehman, Graphic Artist
HNTB CORPORATION, INC.
Gerald Dorn, P.E., Project Engineer
John Jaeckel, P.E., Principal Engineer, Environmental Quality
Matt Klein, E.I.T., Environmental Engineer
Peter Smith, A.I.C.P., Planning and Traffic Engineer
OTHERS
-
Sharon Campbell, Campbell Reynolds Associates
Peter Reynolds, Campbell Reynolds Associates
Lynn Fredlund, Project Manager - GCM Services, Inc.
George Chaffee, Resource Consultant - Natural Resource Services
Ed Anderson, Virtual Engineering and Graphics - Photorenditions
&
Jill Thornton, Landscape Architectural Planning Design
PROJECT STEERING COMMITTEE MEMBERS:
Joseph Aldegarie, P.E. - Former Public Works Director, City of Missoula
Bruce Bender, P.E. - Public Works Director, City of Missoula
Martin VanMil, P.E. - DistrictConstruction Engineer, Montana Department ofTransportation
Geoff Badenoch - Director, Missoula Redevelopment Agency
Karen Jaworsky - Bicycle/PedestrianCoordinator, City of Missoula
Doug Harrison - President Missoula City Council
The following persons may be contacted for additional informationconcerning tliis document:
Vaughn Anderson, P.E. or Tom Picciano Bruce Bender, P.E., Public Works Director
&
Druyvestein Johnson Anderson City of Missoula
3201 Russell 430 Ryman
MT MT
Missoula, 59801 Missoula, 59802
[phone] [phone]
EnvironmentalAssessment
OrangeStreetBridgeandRiverfrontAccess
STPU 8107 (10)
We would also like to gratefully ackowledge the hard work of our Stakeholder Concept Teams that assisted us
throughoutthisproject. Withtheirhelp, the followingwasconscientiouslyaccomplished fortheprojectusing public
comment and stakeholder input:
generated and refined ideas
identifiedand crystallizedproject issues and concerns
assisted in developing and reviewing alternative concepts
assisted in developing alternative selectioncriteria
assisted in assigning weights to these criteria
The followingmembers ofour communitygave oftheirpersonal time toparticipateon a StakeholderConceptTeam
for the project:
Chris Behan Bob Benson Greg DeShaw Bernadine Gantert
Chris Gingerelli Richard Gotshalk John Herzer Jinny Iverson
Terry Kelley Will Kerling Walt Kero Kevin Krebsbach
Ron Klaphake Bob Oaks Kelly Rosenleaf Vi Seibert
Rick Stephens Jim Toth Linda Tracy Anna Tucker
Marji Wallinder Doug Waters John Williams Dermis Workman
Again, our sincere thanks for their efforts and community service.
We would also like to give our thanks to the public who participated in the several meetings that were held
throughout the course of this project. Their input was greatly appreciated and the comments received were very
valuable in the shaping of the final outcome. Thankyou for taking an interest in your community.
11
EnvironmentalAssessment
OrangeStreetBridgeandRiverfrontAccess
STPU 8107 (10)
TABLE OF CONTENTS
ENVIRONMENTAL ASSESSMENT
SECTION DESCRIPTION OF PROPOSED ACTION
l. 1
1. Descriptionof the Project 1
1.2 Affected Environment 3
SECTION 2. PROJECT PURPOSE AND NEED 7
2. Existing Conditions 7
2.2 Community Services 8
2.3 Air Quality 10
2.4 Existing Bridge Condition 11
2.5 Need for Action 11
SECTION 3. PROPOSED ALTERNATIVES 15
3.1 Development of Alternatives 15
3.2 Alignments Considered 15
3.3 Comparative Cost Estimates 18
3.4 Alternative Selection 26
3.5 Alternatives Eliminated from Consideration 34
3.6 Proposed Action 37
SECTION 4. IMPACTS AND MITIGATION MEASURES 40
4.1 SOCIAL AND ECONOMIC IMPACTS 40
4.2 RELOCATION IMPACTS 44
4.3 LAND USE IMPACTS 45
4.4 VISUAL IMPACTS 46
4.5 TRAFFIC IMPACTS 47
4.5.1 Traffic Forecasts 47
4.5.2 Traffic Operations Analyses 49
4.5.3 Parking 51
4.5.4 Transit 51
4.5.5 Traffic Control Plan 52
4.6 PEDESTRIAN AND BICYCLE IMPACTS - ROAD BRIDGE 52
4.7 PEDESTRIAN AND BICYCLE IMPACTS - TRAIL BRIDGE 53
4.7.1 California Street Trail Bridge 55
4.8 AIR QUALITY IMPACTS 56
4.8.1 Air Quality Modeling and Analysis - Roadway Bridge 59
4.8.2 Non-motorized Bridge 61
4.9 NOISE IMPACTS 62
4.10 HISTORICAL/CULTURAL IMPACTS 64
4.11 WATER QUALITY IMPACTS 67
4.12 FLOODPLAIN IMPACTS 68
4.13 VEGETATION 69
.1.
EnvironmentalAssessment
OrangeStreetBridgeand RiverfrontAccess
STPU 8107 (10)
4.14 FARMLAND IMPACTS 70
4. 15 WETLAND IMPACTS 70
4. 16 FISH AND WILDLIFE IMPACTS 71
4.16.1 Fisheries 71
4.16.2 Wildlife 71
4.17 RARE AND SENSITIVE SPECIES 73
4.17.1 Terrestrial Resources 73
4.17.2 Aquatic Resources 75
4.17.3 Plant Species and Habitats 75
4.18 THREATENED AND ENDANGERED SPECIES 76
4.19 UTILITIES IMPACTS 77
4.20 SECTION 4(f)/6(f) IMPACTS 78
4.20.1 Section4(f) 78
4.20.2 Section 6(f) 81
4.21 HAZARDOUS WASTES 82
4.22 CONSTRUCTION IMPACTS 82
4.23 PERMITS, AUTHORIZATIONS AND REVIEW AGENCIES 83
4.24 FUNDING 84
SECTION 5. COMMENTS AND COORDINATION 86
5. EARLY COORDINATION 86
5.2 AGENCIES AND PERSONS CONTACTED 86
5.3 OPPORTUNITIES FOR COMMENTS 86
APPENDIX
1, 2, 3
LIST OF FIGURES
1 Project Vicinity Map 1
2. Project Location Map 2
3. Typical Sections 4
4. Existing Orange Street Bridge 3
5. Old Milwaukee Railroad Overpass 5
6. Affected Environment 6
7. Orange Street/3rd Street South 9
8. Orange Street Bridge Inspection Photos 13
9. Milwaukee Overpass Inspection Photos 14
10. Alternative Rl - Refurbish and Widen Existing Bridge 19
11 Alternative R2 - Remove and Replace with New 3 Span 20
12. Alternative R3 - Remove and Replace with New 2 Span 21
13. Alternative RNB - No Build 22
14. Trail Alternatives 23
15. Preferred Alternative 39
15A. Existing and Proposed Bike/Ped Trails 39A
16. Pedestrian/BicycleTrail - south end bridge 53
17. Pedestrian/BicycleTrail - nordi end bridge 54
18. Existing Orange Street Bridge 66
19. Existing Dinsmore Irrigation Ditch 70
20. Spend the Money Wisely - MissoulianPoll 89
EnvironmentalAssessment
OrangestreetBridgeandRiverfrontAccess
STPU 8107 (10)
LIST OF TABLES
1. Comparative Cost Summary - Roadway Structures 26
2. Alternative SelectionMatrix - Roadway Bridge 30
3. Alternative Selection Matrix - Pedestrian/Bicycle Bridge 32
4. Missoula County Population Growth 41
5. Missoula County Building Permits 42
6. Missoula County Economic Base Comparison 43
7. Forecast Annual Traffic Growth Rates 47
8. Two-Way ADT Volumes 48
9. Orange Street Intersection P.M. Peak Hour Volumes 48
10. Intersection Operations 50
11. Accident Types and Occurrences Near the Orange Street Bridge (1988-1994) .... 50
12. National and Montana Ambient Air Quality Standards 57
13. Peak Hour Maximum Carbon Monoxide Concentrations (ppm) 60
14. Eight Hour Maximum Carbon Monoxide Concentrations (ppm) 60
in
EnvironmentalAssessment
OrangeStreetBridgeandRiverfrontAccess
STPU 8107 (10)
SECTION DESCRIPTION OF PROPOSED ACTION
1.
1.1 Description of the Project
City of Missoula, in conjunction with the Montana Department of Transportation (MDT) is
proposing a Federal-Aid Project to modify the Orange Street Bridge and approaches to connect
with the 5-lane roadways on each end of this short section of narrow 2-lane urban highway with
considerations for pedestrian and bicycle traffic and access to the Riverfront Trails system.
The proposed project, known as the Orange Street Bridge and Riverfront Access Project STPU
8107 (10), is located on Orange Street at the Clark Fork River crossing in the center of the City
of Missoula, Montana. The project vicinity is shown on Figure 1. The project location is
shown on Figure 2.
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Figure 1 Project Vicinity
EnvironmentalAssessment
OrangestreetBridgeand RiverfrontAccess
STPU 8107 (10)
Figure 2 Project Location
October 51, 1994(9:40am)