McCallum truss bridges
Structures in this category
- entry with pictures
- new entry (30 days)
- updated entry (14 days)
| # | Name | Country |
|---|---|---|
| 1 | Powerscourt Bridge | Canada |
Media
Literature
- (1859): McCallum's inflexible arched truss bridge. S.T. Callahan, printer, New York (USA), pp. 55.
