Paulinskill Viaduct
| Paulinskill Viaduct | |
|---|---|
| Crossing the Paulins Kill | |
| Coordinates | 40°56′53″N 75°03′41″W / 40.9480°N 75.0613°W | 
| Crosses | Paulins Kill | 
| Locale | Hainesburg, New Jersey | 
| Maintained by | New Jersey Department of Transportation | 
| Characteristics | |
| Design | reinforced concrete arch | 
| Total length | 1,100 feet (340 m) | 
| Clearance below | 115 feet (35 m) | 
| History | |
| Opened | December 24, 1911 | 
| Closed | Still extant (railroad tracks removed in 1984) | 
| Location | |
The Paulinskill Viaduct, also known as the Hainesburg Viaduct, is a reinforced concrete railroad bridge that crosses the Paulins Kill in Knowlton Township, New Jersey. When completed in 1910, it was the largest reinforced concrete structure in the world.