Interstate Bridge Replacement (IBR) Project
Sector: Rail • Location: Portland and Vancouver, Washington and Oregon, United States
Source: The Urbanist
The project involves replacing the twin Interstate 5 bridges over the Columbia River with a new modern fixed-span structure that includes provisions for light rail extension to Downtown Vancouver. The full project includes five miles of I-5 widening and seven new interchanges stretching from Portland to Vancouver, but these elements are deferred to future phases. The current focus is on a core set
- Status
- Prospective
- Sector
- Rail, Bridge
- Location
- Portland and Vancouver, Washington and Oregon, United States of America
- Updated
- 22 Jul 2026
- Source
- The Urbanist
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Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The project involves replacing the twin Interstate 5 bridges over the Columbia River with a new modern fixed-span structure that includes provisions for light rail extension to Downtown Vancouver. The full project includes five miles of I-5 widening and seven new interchanges stretching from Portland to Vancouver, but these elements are deferred to future phases. The current focus is on a core set of projects with a total estimated cost of $7.65 billion, aiming to start construction in 2028. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Washington and Oregon |
City | Portland and Vancouver |
Source
Source | The Urbanist |
URL |
More Details
Record type | Project |
Sector | Rail, Bridge |
Article published date | 2026-03-20 |
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