Ponte Bisantis
Coordinates: 38 ° 54 ′ 24 ″ N , 16 ° 35 ′ 4 ″ E
| Ponte Bisantis | ||
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| Official name | Viadotto Fausto Bisantis | |
| use | Road bridge | |
| Crossing of | Fiumarella | |
| place | Catanzaro | |
| construction | Reinforced concrete - arch bridge | |
| overall length | 468 m | |
| Number of openings | a | |
| Longest span | 231 m | |
| height | 112 m | |
| start of building | 1958 | |
| completion | 1962 | |
| planner | Riccardo Morandi | |
| location | ||
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The Ponte Bisantis - officially Viadotto Fausto Bisantis , colloquially also Ponte Morandi - is a road bridge in Catanzaro in Calabria . The bridge planned by Riccardo Morandi had the second largest concrete arch in the world after Sandöbron in Sweden when it opened in 1962 and is still the largest arch bridge in Italy. It is similar to the Paul Sauer Bridge in South Africa that Morandi had planned some time earlier . It was named in 2002 after the politician Fausto Bisantis, who significantly influenced the decision to build the bridge in the 1950s.
description
The 468 m long Ponte Bisantis has three lanes and a narrow sidewalk on both sides, separated from traffic by guard rails. It crosses the Fiumarella , which runs in a ravine 112 m below it, with a single large arch and connects the city center of Catanzaro, which lies on a mountain ridge, with the other side of the gorge. There a connecting road leads to State Road 280 and thus to Lamezia Terme Airport on the Tyrrhenian coast in the west and to Catanzaro Lido on the Ionian Sea in the south . The Ponte Bisantis also forms the connection to State Road 19, which leads to the north .
At the eastern end of the bridge, the road originally turned north and climbed the slope to the old town. This is now a one-way street down to the bridge, after a carriageway branching south from the bridge was built over a sloping hillside bridge into the old town. In the middle, two lanes lead directly into a 400 m long tunnel ( Galleria Falcone Lucifero ) built later under the old town to a roundabout ( Rotonda Benito Gualtieri ), which also provides access to the center and the eastern district of Siano . This roundabout is unusual in that it is entirely on top of a bridge structure.
In 2001, a lighting system was installed on the Ponte Bisantis that makes its arch shine brightly.
From the bridge you can see a newer two-lane girder bridge of the Tangenziale Ovest with a comparable height to the northwest .
Technical details
The bridge consists of two parallel reinforced concrete arches with a span of 231 m. The arches are based on fighters that were established in the valley slopes on solid rock, which avoided the problems associated with the formation of pillars would have been connected to the existing debris from the valley floor. The ends of the arches spread into four points that run towards the bearings on the fighters. The arches are connected by cross struts, taper towards the apex and give the impression of meeting there, which is not the case. Again, contrary to the visual impression, they are not directly connected to the bridge plate.
The pavement board is not, as is usually the case, supported by vertical supports on the arches, but by two thin struts each, the upper and lower ends of which are always the same distance along the pavement board or on the arches. As a result, the struts are inclined further outwards as the distance from the bridge apex increases. In contrast to this, the road surface is supported outside the arches by structures made of X-shaped struts.
After 50 years, the bridge is in poor condition due to increasing traffic and lack of maintenance. No decision has yet been made (until the beginning of 2015) about urgently needed renovation measures or a new building.
Web links
- Ponte Bisantis. In: Structurae
- Ponte Fausto Bisantis on HighestBridges.com
Individual evidence
- ↑ Raffaele Nisticò: Il Ponte Morandi: 50 anni, e li dimostra tutti ... ( Memento of the original from August 8, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. On Calabria on Web.it
- ^ Matteo Brancati: Catanzaro, il Ponte Morandi in pessime condizioni. I cittadini: “Qualcuno intervenga.” ( Memento of the original from March 15, 2015 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. On Blog di Motori
