Avenida Rio Branco, Commercial street in Centro, Santa Maria, Brazil

Avenida Rio Branco runs from Praça Saldanha Marinho to the railway station and the northern part of Santa Maria. Its central median holds 13 monuments, including a 1938 marker for the city's first school, a 1946 bust of Barão de Mauá, and a 1957 altitude marker giving 149.478 m. The avenue was paved with irregular stones in 1898.

The street developed during Santa Maria's expansion in the 20th century as the city grew outward from its core. It became a key part of the downtown infrastructure that shaped the center's commercial character.

The central median holds 13 monuments, from a 1938 marker for Santa Maria's first school to a 2005 sculpture for the 100th anniversary of Colégio Franciscano Sant'Anna. Others honour Barão de Mauá, Getúlio Vargas's 1954 testament letter, offered by Leonel Brizola, and the Lebanese community's 1958 tribute. The avenue's name, adopted in 1908, honours Barão de Rio Branco.

The avenue runs from Praça Saldanha Marinho north to the railway station, so it can be walked end to end as a single route. Its central median holds the monuments, which are reached on foot from either side. The pavement laid in 1898 consists of irregular stones, uneven underfoot in places.

The central median holds 13 monuments, from a 1938 marker for Santa Maria's first school to a 2005 sculpture for the 100th anniversary of Colégio Franciscano Sant'Anna. Among them are a 1957 altitude marker giving the city's height as 149.478 m and a bust of Barão de Mauá donated by João Daudt D'Oliveira in 1946.