Pedala Portugal Closes the Ponte 25 de Abril for Sunday Morning's 60th-Anniversary Ride — Lisbon-Almada-Oeiras Loop Marks the Tagus Crossing's Diamond Jubilee

The Ponte 25 de Abril turned 60 this year, and the headline event of the 2026 jubilee calendar took the upper deck on Sunday 31 May. Pedala Portugal, the non-competitive mass ride organised in partnership with the Federação Portuguesa de Ciclismo and the bridge's concessionária Lusoponte, closed the south-to-north carriageway between 08:30 and 10:30, with a single lane left running in the north-to-south direction from 08:00 to 10:30 for emergency access. The route linked the three concelhos the bridge has knit into a single labour market since 1966 — Lisboa, Almada and Oeiras — and put thousands of cyclists on the upper deck for what is, in practice, one of the very few moments a year that the structure is accessible to anything other than four-wheeled traffic.

Why the Anniversary Lands With Weight

The bridge opened on 6 August 1966 as the Ponte Salazar and was renamed in May 1974 in the days after the Carnation Revolution, an act of symbolic reattribution that put a date on the span itself. The 60-year point is therefore a double anniversary — the engineering structure, and the political renaming — and the diamond jubilee programme runs across the summer with concerts at Doca de Santo Amaro, an open-day for the bridge's pylon-top viewpoint, exhibitions at the Museu do Oriente and the Casa da Cerca, and a closing ceremony pencilled for August. Sunday's ride was the largest single moment on the calendar by participant count; further dates include an open-air passeio over the Ponte Dom Luís I in Porto on 21 June, which the same organising team is staging from Cais de Gaia.

What the Bridge Now Carries

The 25 de Abril is no longer a single-purpose structure. Since the 1999 upgrade it carries six road lanes on the upper deck and a two-track suburban-rail layer on the lower deck operated by Fertagus, which connects Lisbon Roma-Areeiro to Setúbal. Average daily road traffic crosses 150,000 vehicles, and Fertagus moves roughly 80,000 passengers per workday across the lower deck. The bridge sits on the IC22 and IP7 corridor and is structurally inseparable from the Lisbon metropolitan-area commuter logic; closing even one carriageway for a morning is a politically-charged operation, and the cyclical nature of Sunday's ride is the reason it gets one slot per year, not several.

What This Means for Lisbon Residents and Visitors

• Sunday morning traffic. The carriageway reopened at 10:30 Sunday; the residual delays cleared by lunchtime, and Monday morning traffic ran normally. If you live on the south bank and missed the briefing, you will not have felt it on the Monday commute.
• Cycling-on-the-bridge access is rare. Pedala Portugal is one of the only sanctioned ways to cross the structure on a bike. The next equivalent slot is the 21 June Porto edition; the next 25 de Abril Bridge ride is unlikely before 2027.
• Cultural-event stack through August. The 60-year programme runs alongside the Festas de Lisboa and the Marchas Populares, and the bridge's open-day for the pylon-top viewpoint is the most-asked-for ticket on the calendar — capacity is small, the wait list is already capped.
• Public-transport read-across. Fertagus services on the lower deck ran on the normal Sunday timetable; the upper-deck closure does not interact with rail traffic, and commuters from Setúbal toward Roma-Areeiro saw no impact.
• Symbolism for new arrivals. If you have moved to Lisbon recently, the 25 de Abril deserves the same political read-through as the 25 de Abril holiday itself. The diamond-jubilee programme is a short window in which the bridge's role in the city's post-1974 identity is unusually visible.

The next jubilee milestone is the Lusoponte open-day at the south-pylon viewpoint, scheduled for mid-June. The closing event in August will mark the formal anniversary date of the 1966 opening.