| Bridge Gate | |
|---|---|
 Neoclassical façade (left) and brick gothic, renaissance original building (right). | |
 | |
| General information | |
| Architectural style | Brick Gothic, Renaissance and neoclassical |
| Town or city | Warsaw |
| Country | Poland |
| Construction started | 1582 |
| Design and construction | |
| Architect(s) | Jakub Fontana (1769) |
Stara Prochownia (English: The Old Gunpowder Depot) also known as the Bridge Gate (Polish: Brama Mostowa) is a historic building in Warsaw New Town. It is located on ulica Boleść, just below the New Town and the Warsaw Barbican, on the Vistula River escarpment.