The 25th of April Bridge (Ponte 25 de Abril) is a suspension bridge in Lisbon, Portugal, that spans the Tagus River, connecting the capital city to the municipality of Almada on the south bank. Opened on August 6, 1966, the bridge was originally named Ponte Salazar after the then-dictator António de Oliveira Salazar. Following the Carnation Revolution on April 25, 1974, which led to the overthrow of the dictatorship, the bridge was renamed to commemorate the date of this pivotal event in Portuguese history.
Designed by the American Bridge Company, which also contributed to the construction of the San Francisco-Oakland Bay Bridge, the 25th of April Bridge shares a similar design to the Golden Gate Bridge. It measures approximately 2.277 kilometers (1.414 miles) in length, with a central span of 1,013 meters (3,323 feet), making it one of the longest suspension bridges in Europe.
The bridge initially accommodated only road traffic, but in 1999, a lower deck was added to support rail traffic as well. This dual functionality significantly improved transportation efficiency and connectivity in the region. The structure's striking red color and its elegant design have made it an iconic feature of Lisbon's skyline.
Given its historical significance and architectural grandeur, the 25th of April Bridge is not only a critical piece of infrastructure but also a symbol of the city's resilience and progress.