The A19 Tees Viaduct or Tees Flyover is a high level six-lane dual carriageway road bridge in the North East of England carrying the main A19 trunk road north–south across the River Tees. The bridge is located between Middlesbrough and Stockton-on-Tees just north of the A19's interchange with the A66 trunk road and carries the north–south traffic through Teesside avoiding the main towns but is also used extensively by local traffic.On the southern bank the bridge crosses the marshalling yard railway lines and the main Thornaby-Middlesbrough section of Tees Valley Line, the B6541 (Old A66/A67, Stockton Road) and the A66 road.On the northern bank the bridge crosses the Teesdale Way long-distance cycle/footpath, Lustrum Beck, a service road, footpath (disused railway line) and the main rounda