The Tees Transporter Bridge br br Middlesbrough. Opened in 1911. br br The Tees Transporter, a Grade II Listed Building, affectionately referred br to as 'The Tranny', is a total of 851 feet (259.3 metres) in length which br makes it the longest of those remaining Transporter Bridges in the world. Its br cantilever construction that give it its unique appearance. br br The bridge is, effectively, two almost independent structures joined at the centre of the River Tees. Each half of the bridge has an 'anchor' span of br 40 feet (42.6 metres) and then cantilevers across the river some br 285 feet (86.8 metres) from the tower leg to meet its twin from the opposite br bank. br br The passenger gondola is suspended by steel cables and runs on a wheel br and rail system approximately 160 feet (48.7 metres) above the River Tees. br br Ferry Road, Middlesbrough. TS2 1PL. United Kingdom br br br br .