CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins78% CONFIDENCEOverall confidence: 78%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better21.9 years ago
Happened as dated, per the source[1]: the viaduct "was inaugurated on 14 December 2004" and "goes into service" on December 16, 2004.Norman Foster's Millau Viaduct, the tallest bridge in the world, opened over southern France's Tarn valley, completing the A75 motorway route between Paris and the Mediterranean.
≈$428.3M