Environmental Impact Statement (EIS) Database

EIS Details

EIS Title

Interstate Bridge Replacement Program

EIS Number

20260045

Unique Identification Number

Document Type

Final Supplement

Federal Register Date

2026-04-17 00:00:00.0

EIS Comment Due/ Review Period Date

Amended Notice Date

Amended Notice

Supplemental Information

Issuance of Notice of Intent to Prepare an EIS:

2023-04-05 00:00:00.0

EPA Comment Letter Date

2026-04-28 00:00:00.0

State or Territory

WA - OR

Lead Agency

Federal Transit Administration

Contact Name

Jeff Horton

Contact Phone

202-220-4463

Rating (if Draft EIS)

As of October 2018, EPA discontinued the use of ratings for Draft EISs.





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EIS Document(s):

Covers - Front Matter - Summary - Table of Contents - List of Acronyms.pdf (134 pp, 3898.1171875 K)

Chapter 1 - Purpose and Need.pdf (10 pp, 772.5712890625 K)

Chapter 3 - Existing Conditions and Environmental Consequences.pdf (556 pp, 60637.7333984375 K)

Chapter 4 - Section 4(f) Evaluation.pdf (144 pp, 15105.912109375 K)

Appendices A - R.pdf (2266 pp, 89037.35546875 K)

Appendix S - S1 - S3.pdf (395 pp, 22957.9072265625 K)

Appendix S - S4 Organizations and Individuals.pdf (7677 pp, 109023.6376953125 K)

Appendix S - S4.1 Attachment 1 - NMF Zip Folder Files Part 1.pdf (2682 pp, 69122.228515625 K)

Appendix S - S4.1 Attachment 1 - NMF Zip Folder Files Part 2.pdf (2627 pp, 80116.8359375 K)

Appendices T - U.pdf (1943 pp, 123383.806640625 K)

Chapter 2 - Description of Alternatives.pdf (100 pp, 13150.154296875 K)

Acquisitions Technical Report.pdf (195 pp, 16692.353515625 K)

Air Quality Technical Report.pdf (124 pp, 9906.2890625 K)

Archaeology Technical Report - redacted.pdf (158 pp, 37431.8193359375 K)

Aviation Technical Report.pdf (111 pp, 11435.716796875 K)

Economics Technical Report.pdf (148 pp, 10035.8818359375 K)

Ecosystems Technical Report.pdf (301 pp, 24199.3837890625 K)

Electromagnetic Fields Technical Report.pdf (102 pp, 9867.234375 K)

Energy Technical Report.pdf (123 pp, 10590.025390625 K)

Geology and Groundwater Technical Report.pdf (6338 pp, 35020.748046875 K)

Haz Mat TR Appendix A. Phase I - OR_Part1.pdf (9046 pp, 83879.638671875 K)

Haz Mat TR Appendix A. Phase I - OR_Part2.pdf (7156 pp, 78734.2666015625 K)

Haz Mat TR Appendix A. Phase I - OR_Part3.pdf (2160 pp, 38749.9765625 K)

Haz Mat TR Appendix A. Phase I - OR_Part4.pdf (10000 pp, 99646.2890625 K)

Haz Mat TR Appendix A. Phase I - OR_Part5.pdf (10528 pp, 91612.3251953125 K)

Haz Mat TR Appendix A. Phase I - WA_Part1.pdf (10000 pp, 56611.0859375 K)

Haz Mat TR Appendix A. Phase I - WA_Part2.pdf (10000 pp, 81749.8583984375 K)

Haz Mat TR Appendix A. Phase I - WA_Part3.pdf (10000 pp, 85961.3984375 K)

Haz Mat TR Appendix A. Phase I - WA_Part4.pdf (14269 pp, 104501.4326171875 K)

Haz Mat TR Appendix B. Phase II.pdf (930 pp, 19471.607421875 K)

Hazardous Materials Technical Report.pdf (193 pp, 20672.2841796875 K)

Historic Tech Report Appendix C - Oregon.pdf (872 pp, 73821.494140625 K)

Historic Tech Report Appendix C - Washington.pdf (1266 pp, 82783.4951171875 K)

Historic Tech Report Appendix D and E.pdf (573 pp, 85262.767578125 K)

Historic Technical Report.pdf (703 pp, 89802.41015625 K)

Land Use Technical Report.pdf (215 pp, 21466.4111328125 K)

Navigation Impact Report.pdf (1340 pp, 85367.7861328125 K)

Neighborhoods and Communities Technical Report.pdf (184 pp, 14048.4814453125 K)

Noise and Vibration Technical Report.pdf (709 pp, 70215.798828125 K)

Parks and Recreation Technical Report.pdf (159 pp, 14936.439453125 K)

Public Services Technical Report.pdf (129 pp, 11469.478515625 K)

Ship Simulation Report.pdf (494 pp, 88848.1044921875 K)

Transportation Technical Report.pdf (2200 pp, 87030.4638671875 K)

Utilities Technical Report.pdf (129 pp, 11610.7490234375 K)

Visual Quality Technical Report.pdf (291 pp, 57944.228515625 K)

Water Quality and Hydrology Technical Report.pdf (354 pp, 26976.59375 K)

Wetlands and Other Waters Technical Report.pdf (226 pp, 59250.7822265625 K)