The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Stated as firm, per en.wikipedia.org: "…ridge tolls. Construction of the bridge was completed in June 2026, inaugurated on July 24, 2026, an…"
The bridge authority's own after-the-fact account, in the past tense: "July 27, 2026, marked a defining moment for the Gordie Howe International Bridge as vehicles crossed the new international bridge for the first time," with nearly 8,000 crossings recorded that day.[1]
Official Government of Canada news release: "Canada and Michigan have agreed to open the Gordie Howe International Bridge on July 27, with the support of the United States Government."
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