normally located in the top of the box girder with "external" tendons running at a shallow angle from the deck surface in one span up over short towers and back to the next span. These he called extradosed tendons, as they connected to the extradose (or upper surface) of the bridge's spanning structure. The shallow angle of these tendons resulted in them transmitting a large compression force component into the bridge deck structure, allowing them to function in a similar manner to conventional "flexural" bridge prestressing. The extradosed tendons were continuous over the towers and were stressed from the deck level, unlike stay cables, which normally terminate at the top of each pylon. The first example of a bridge constructed using Mathivat's concepts appears to be the 1993 Ponte dos Socorridos at Camara de Lobos, Portugal, with a main span of . This was quickly followed by the Odawara Blueway Bridge on the Seisho Bypass, Japan, designed by Akio Kasuga and completed in 1994. This bridge has a main span, a 16.2-m deck width and utilises four 10.7-m tall pylons each supporting two sets of eight exposed extradosed tendons in a modified fan arrangement. These tendons pass over saddles at the top of each pylon, however it is unclear as to whether they form a continuous tendon between the two spans, as the designers' documentation refers to them being anchored outside each saddle to restrain slip. Numerous bridges have subsequently been constructed in Japan to similar designs, the twin, wide Ibigawa and Kisogawa "Twinkle" bridges, spanning and across the Ibi and Kiso Rivers respectively, and completed in 2001. Twinkle bridge was the longest extradosed bridge in the world until 2017, when the long Arrah-Chhapra Bridge in India became the longest bridge of this type. In 1996, a short span bridge of the extradosed style was constructed to pass the A43 Autoroute across the Maurienne River at Saint-Remy-de-Maurienne, France. This was followed in 1998 by the curved, multi-span Sunniberg Bridge in Switzerland, also designed by Christian Menn and utilising low, outward-leaning pylons to minimise its visual impact on the surroundings. In North America, a small fin-backed prestressed concrete bridge was built across Barton Creek near Austin, Texas in 1993 to service a private development. This is similar in concept to the original Ganter Bridge, except that the stay cables are encased within triangular blade walls connecting the deck to the towers.