A ponte do Guaìba, Porto Alegre, Brasil.

Page 85

little before 1930. In 1935, the city celebrated one hundred years of

freeway system, including the Avenida Castelo Branco, crossing under

using the main roads of the National Road Plan”6. The controversy

Farroupilha War urbanizing Campo da Redenção, renaming it Parque

the access ramps of the Guaíba bridge, and the Porto Alegre – Osório

dominated the discussions leading to the decision to construct a

Farroupilha, whose preliminary drawings were signed by Alfred Agache

highway known as the Free-Way.

bridge system on the Jacuí Delta.

The crossings

the barge system had been ruled out, began to be looked at from

and design and construction by Christiano Gelbert. In terms of urban planning, since 1914 the city had been expecting

The need to span across the Guaíba, once the idea of modernizing

the implementation of the General Improvements Plan, made by

From the southern end of the city, not far from the new Jockey

three perspectives: A - south of the capital, B - starting at the center

engineer and architect João Moreira Maciel. The Plan basically

Club, the barges departed crossing Lake Guaíba towards the south of

of town, and C - taking off from the north. Any of the above had to

established road and sanitation guidelines, allowing for the widening

the State. The barge system was implemented in 1941 by DAER, at the

take into account water crossing leaving a 40 meter span for vessel

and opening of new streets in the city center. Between the years of 1928

Ponta do Dionísio, in the Vila Assunção neighborhood, to replace the

traffic. Important aspects such as the cost of each alternative and the

and 1932, the most important enterprise for the modernization of Porto

precarious system run by a boat transportation company until then.

issue of pass through traffic were compared. However, other issues

Alegre, was the opening of Avenida Borges de Medeiros, including the

The new barges, according to engineer Waelter Haetinger, were bought

were raised, such as one put by engineer Waelter Haetinger, who,

construction of the Otávio Rocha overpass, by Manoel Itaqui. Another

as an emergency measure during and right after the Second World

advocating the choice of the north, even used the military argument

important project from the same period was the opening of Avenida

War4. They could carry 22 cars or 9 buses, an average of 15 vehicles.

to facilitate the deployment of troops and the proximity of an air

Farrapos, in 1937, towards the airport and the northern exit of the city.

Because they were an adaptation with only one access, they were

base. Arguing against the tunnel in the Gasômetro, he pointed out

This was the main road in metropolitan Porto Alegre, and became part

forced to make complex maneuvers to dock. The average crossing time

the psychological aspects and the number of tunnel accidents the

of the BR-2 (today 116) and of the path leading to the Guaíba bridge.

was 1 hour and 30 minutes for a little over 5 km. New barges were

international media had been publishing.

Porto Alegre started the 1950’s with a population of 394 000

added to the fleet as needed, yet the system did not keep up with the

Engineer and architect Edyrceu Fontoura, from DAER, in favor of

inhabitants. At he end of the decade, it had reached 635 000.

growth in traffic. In 1954, 6 barges were in operation, transporting 246

the north solution, conducted a study about the urban development

This growth rate, quite impressive as compared with numbers

000 vehicles and 827 000 passengers, these numbers were increasing

of Porto Alegre, focusing on the evolution of public means of

today, became a recurrent subject in the academic and technical

twofold every three to four years5.

transportation. His valuable work7 included detailed maps, with slide

communities. The fast growing city needed to be modernized. In

In 1948, engineer Clovis Pestana, Transport Minister during the

overlay and a wealth of historical data and numbers, and showed a

Brazil at that time, modernizing meant rebuilding cities inspired in

President Dutra administration, deployed the DNER and the DAER

great deal of urban sensibility. It compares Porto Alegre with other big

the modern movement, replacing the old street network with fast

to solve the growing deficiencies in the barge system. The proposed

cities and forecasts with rare clairvoyance, a lot of what became true

boulevards with huge buildings erected distant from each other.

solution was a tunnel underwater linking Ponta do Gasômetro to

in Porto Alegre, such as the deterioration of the city center because

Ilha da Pintada. It generated great controversy and turned into one

of the excessive proliferation of high rises. It shows similarities

risk of completely disappearing. However, a number of big size

of the hottest technical debates the city has ever been through. To

with the city of Rio de Janeiro, with a residential use of the space in

construction works of exceptional architectural quality, introduced

settle the dispute involving important officials in road transportation,

the southern end and more industries and services located in the

a positive modernist footprint in Porto Alegre as of 1952. The most

the DAER created a committee under the coordination of engineers

northern areas8.

important emerged from the partnership between the local Azevedo,

João Carlos Teixeira, Marcus Kruter and A. M. Waldock to study and

Moura & Gertum building company with Uruguayan Architect Román

compare solutions for crossing the lake. The result of this study

departed from, in Vila Assunção, making a direct connection with the

Fresnedo Siri, who won the contest to construct the new building

was presented and debated in the engineering community and the

city of Guaíba. Despite the advantage of being the shortest southbound

of the Rio Grande do Sul Jockey Club. This architectural compound

technical arguments were made public in the DAER publications. The

way and making a direct link between the urban areas of both cities,

was inaugurated in 1959. Another important building was the Court

local population followed the discussion through long articles and

the stretch over the water was longer. In addition, all the traffic from

of Appeals (Tribunal de Justiça), designed in 1953 by Architects Luiz

transcripts published in the city newspapers.

the north would have to cross long urban parts of Porto Alegre. The

The traditional city was yet again under pressure running the

Fernando Corona and Carlos Maximiliano Fayet. The implementation of the Jockey Club compound in Baía do

One of the first options under study was to modernize the barge

The A solution suggested a bridge exactly where the barges

estimated cost of crossing 5 450 meters, with a 100 meter long

system, replacing the old barges with larger ferries more adequate for

50 meter high central span and an 8 meter deck (single lane), was

Cristal is, to a certain extent, a result of the enormous natural disaster

this type of crossing. The National Road Plan, however, preferred a dry

almost the same as the final solution, but at much higher urban

in 1941: the flooding of the Guaíba. It was the plan to protect the

road crossing. As put by Walter Haetinger, “the link between north and

construction costs. This solution seemed to have been easily ruled out,

city surrounding it by a belt of landfills and dikes, that allowed the

south, through Porto Alegre, is ultimately a problem of city crossing,

Porto Alegre local authorities to offer the land reclaimed form the lake in exchange for the old club building, at the location of today’s Parque Moinhos de Vento. The dikes were used for the construction of a

One Crossing, Many Bridges

84

6 4 5

Waelter Haetinger. Op. cit. Idem.

7 8

Ibidem. Edyrceu Fontoura. “Aspecto urbano na travessia do Guaíba”. DAER, 1954. Idem


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