 The Bayonne Bridge, a mid-bearing through arch bridge spanning the Kill Van Kull, connecting Bayonne, New Jersey, with Staten Island, New York City | |
| Ancestor | Arch bridge |
|---|---|
| Carries | Pedestrians, vehicles, trains |
| Span range | Long |
| Material | Steel |
| Movable | No |
| Design effort | High |
| Falsework required | Seldom |
A through arch bridge, also known as a through-type arch bridge, is a bridge that is made from materials such as steel or reinforced concrete, in which the base of an arch structure is below the deck but the top rises above it. It can either be lower bearing or mid-bearing. Thus, the deck is within the arch, and cables or beams that are in tension suspend the central part of the deck from the arch.