Clarence St Bridge
As of June 8, 2026, the Clarence St bridge in Port Colborne usually stays closed about 16 minutes each time it opens for a ship (typically 15–17 minutes), based on 290 recorded closures and closing-soon alerts.
Clarence Street crosses the Welland Canal near the Lake Erie end in Port Colborne. It's Bridge 21, a vertical-lift bridge built in the late 1920s when the current canal was dug, and one of only a handful of lift bridges still working on it. The deck rises straight up to let ships pass.
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Scheduled closures
Planned closures for construction or repairs. Dates can change.
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Typical closures
Typical closure
16 min
15–17 min
Status changed
…
How long closures last
1–9 min
8%
10–15 min
33%
16–30 min
57%
31–60 min
2%
60 min+
0%
Based on 290 recorded closures and closing-soon alerts. Durations are measured per lift; the bars are a share of completed closures.