The Mystery of the Spiral Bridge
| Author | Franklin W. Dixon |
|---|---|
| Original title | The Mystery of the Spiral Bridge |
| Cover artist | Rudy Nappi |
| Language | English |
| Series | The Hardy Boys |
| Genre | Detective, mystery |
| Publisher | Grosset & Dunlap |
Publication date | 1966 |
| Publication place | United States |
| Media type | Print (hardback & paperback) |
| Pages | 177 pages |
| Preceded by | The Haunted Fort |
| Followed by | The Secret Agent on Flight 101 |
The Mystery of the Spiral Bridge is the forty-fifth volume in the original The Hardy Boys series of mystery books for children and teens published by Grosset & Dunlap.
This book was written for the Stratemeyer Syndicate by Andrew E. Svenson in 1966.