Canada’s Longest Bridges Ranked: Complete Comparison
Which is the longest bridge in Canada? Here is our definitive ranking of Canadian bridges by length, with construction cost, traffic, and toll data.
The 7 Longest Bridges in Canada
| # | Bridge | Length | Province | Year | Daily Traffic | Toll |
|---|---|---|---|---|---|---|
| 1 | Confederation Bridge | 12.9 km | NB/PE | 1997 | 4,548 | $53.50 |
| 2 | Samuel de Champlain Bridge | 3.4 km | QC | 2019 | 50,000 | Free |
| 3 | Gordie Howe International Bridge | 2.5 km | ON | 2025 | 10,000 | $6.75 |
| 4 | Port Mann Bridge | 2.0 km | BC | 2012 | 127,000 | Free |
| 5 | Lions Gate Bridge | 1.8 km | BC | 1938 | 60,000 | Free |
| 6 | Canso Causeway | 1.4 km | NS | 1955 | 8,000 | Free |
| 7 | Hartland Covered Bridge | 0.39 km | NB | 1901 | 1,500 | Free |
Key Findings
- The Confederation Bridge is 3.8x longer than the second-longest bridge (Samuel de Champlain).
- The busiest: Port Mann Bridge with 127,000 vehicles/day.
- The most expensive ever built: Gordie Howe Bridge at $5.7 billion.
- The oldest: Hartland Covered Bridge (1901) — also the world’s longest covered bridge.
- Only 3 charge tolls: Confederation ($53.50), Gordie Howe ($6.75), Deh Cho NWT ($18.50).
The Confederation Bridge has carried 40.69 million vehicles since 1997 and is the longest bridge over ice-covered water in the world.
Data sources: Transport Canada, provincial transportation departments. Updated March 2026.